Flying
When Sower of Temptation enters the battlefield, gain control of target creature for as long as Sower of Temptation remains on the battlefield.

Flash
When Snapcaster Mage enters the battlefield, target instant or sorcery card in your graveyard gains flashback until end of turn. The flashback cost is equal to its mana cost.

Shadow
Whenever Looter il-Kor deals damage to an opponent, draw a card, then discard a card.

Flash
Flying
When Vendilion Clique enters the battlefield, look at target player's hand. You may choose a nonland card from it. If you do, that player reveals the chosen card, puts it on the bottom of his or her library, then draws a card.

Hexproof
Invisible Stalker is unblockable

Flying
When Gilded Drake enters the battlefield, exchange control of Gilded Drake and up to one target creature an opponent controls. If you don't make an exchange, sacrifice Gilded Drake. This ability can't be countered except by spells and abilities. (This effect lasts indefinitely.)

Ninjutsu
Whenever Ninja of the Deep Hours deals combat damage to a player, you may draw a card.

, : Search your library for a land card, reveal it, and put it into your hand. Then shuffle your library. Activate this ability only if an opponent controls more lands than you.

Flying
, Sacrifice Glen Elendra Archmage: Counter target noncreature spell.
Persist

When Leonin Relic-Warder enters the battlefield, you may exile target artifact or enchantment.
When Leonin Relic-Warder leaves the battlefield, return the exiled card to the battlefield under its owner's control.

When Fiend Hunter enters the battlefield, you may exile another target creature.
When Fiend Hunter leaves the battlefield, return the exiled card to the battlefield under its owner's control.

Flash
When Venser, Shaper Savant enters the battlefield, return target spell or permanent to its owner's hand.

Flash
Flying
When Spellstutter Sprite enters the battlefield, counter target spell with converted mana cost X or less, where X is the number of Faeries you control.

When Æther Adept enters the battlefield, return target creature to its owner's hand.

You may have Phantasmal Image enter the battlefield as a copy of any creature on the battlefield, except it's an Illusion in addition to its other types and it gains "When this creature becomes the target of a spell or ability, sacrifice it."

( can be paid with either or 2 life.)
You may have Phyrexian Metamorph enter the battlefield as a copy of any artifact or creature on the battlefield, except it's an artifact in addition to its other types.

Islandwalk
Whenever Thada Adel, Acquisitor deals combat damage to a player, search that player's library for an artifact card and exile it. Then that player shuffles his or her library. Until end of turn, you may play that card.

When Man-o'-War enters the battlefield, return target creature to its owner's hand.

As Phyrexian Revoker enters the battlefield, name a nonland card.
Activated abilities of sources with the chosen name can't be activated.

Flying
When Cloud of Faeries enters the battlefield, untap up to two lands.
Cycling

: Add to your mana pool.
: Mutavault becomes a 2/2 creature with all creature types until end of turn. It's still a land.

, Pay 1 life, Sacrifice Arid Mesa: Search your library for a Mountain or Plains card and put it onto the battlefield. Then shuffle your library.

Glacial Fortress enters the battlefield tapped unless you control a Plains or an Island.
: Add or to your mana pool.

, Pay 1 life, Sacrifice Misty Rainforest: Search your library for a Forest or Island card and put it onto the battlefield. Then shuffle your library.

Whenever City of Brass becomes tapped, it deals 1 damage to you.
: Add one mana of any color to your mana pool.

: Add to your mana pool.
When Flagstones of Trokair is put into a graveyard from the battlefield, you may search your library for a Plains card and put it onto the battlefield tapped. If you do, shuffle your library.

Faerie Conclave enters the battlefield tapped.
: Add to your mana pool.
: Faerie Conclave becomes a 2/1 blue Faerie creature with flying until end of turn. It's still a land.

: Add to your mana pool.
: Add or to your mana pool. Adarkar Wastes deals 1 damage to you.

: Add to your mana pool one mana of any color in your commander's color identity.

, Pay 1 life, Sacrifice Scalding Tarn: Search your library for an Island or Mountain card and put it onto the battlefield. Then shuffle your library.

As Hallowed Fountain enters the battlefield, you may pay 2 life. If you don't, Hallowed Fountain enters the battlefield tapped.

: Add to your mana pool.
: Add to your mana pool. Activate this ability only if you control an Island.
: Add to your mana pool. Activate this ability only if you control a Plains.

Celestial Colonnade enters the battlefield tapped.
: Add or to your mana pool.
: Until end of turn, Celestial Colonnade becomes a 4/4 white and blue Elemental creature with flying and vigilance. It's still a land.

: Add to your mana pool.
, : Add , , or to your mana pool.

, Pay 1 life, Sacrifice Polluted Delta: Search your library for an Island or Swamp card and put it onto the battlefield. Then shuffle your library.

: Add to your mana pool.
, Sacrifice Wasteland: Destroy target nonbasic land.

: Add to your mana pool. Ancient Tomb deals 2 damage to you.

, Pay 1 life, Sacrifice Flooded Strand: Search your library for a Plains or Island card and put it onto the battlefield. Then shuffle your library.

, Pay 1 life, Sacrifice Windswept Heath: Search your library for a Forest or Plains card and put it onto the battlefield. Then shuffle your library.

: Add to your mana pool.
: Mishra's Factory becomes a 2/2 Assembly-Worker artifact creature until end of turn. It's still a land.
: Target Assembly-Worker creature gets +1/+1 until end of turn.

, Pay 1 life, Sacrifice Marsh Flats: Search your library for a Plains or Swamp card and put it onto the battlefield. Then shuffle your library.

: Add to your mana pool.
, , Sacrifice Tectonic Edge: Destroy target nonbasic land. Activate this ability only if an opponent controls four or more lands.

Search your library for a Plains card. If target opponent controls more lands than you, you may search your library for an additional Plains card. Reveal those cards and put them into your hand. Then shuffle your library.

You may pay 1 life and exile a blue card from your hand rather than pay Force of Will's mana cost.
Counter target spell.

( can be paid with either or 2 life.)
Counter target spell with converted mana cost 1.

Destroy all lands.

Choose two - Counter target spell; or return target permanent to its owner's hand; or tap all creatures your opponents control; or draw a card.

Counter target creature spell.
Draw a card.

Put target attacking creature on the bottom of its owner's library. Its controller gains life equal to its toughness.

Counter target spell. If that spell is countered this way, put it on top of its owner's library instead of into that player's graveyard.

Each player chooses from the permanents he or she controls an artifact, a creature, an enchantment, and a land, then sacrifices the rest.

Exile target creature. Its controller may search his or her library for a basic land card, put that card onto the battlefield tapped, then shuffle his or her library.

Counter target spell. If that spell is countered this way, put it into its owner's hand instead of into that player's graveyard.
Draw a card.

Kicker - Sacrifice a land.
Return target nonland permanent to its owner's hand. If Rushing River was kicked, return another target nonland permanent to its owner's hand.

Kicker
Return target nonland permanent to its owner's hand. If Into the Roil was kicked, draw a card.

Return target creature to its owner's hand.
Draw a card.

Counter target noncreature spell.

Look at the top three cards of your library, then put them back in any order. You may shuffle your library.
Draw a card.

Draw three cards, then put two cards from your hand on top of your library in any order.

Destroy all creatures. They can't be regenerated.

Counter target spell.

Scry 2, then draw a card.

Counter target spell. Its controller may draw up to two cards at the beginning of the next turn's upkeep.
You draw a card at the beginning of the next turn's upkeep.

Counter target instant or sorcery spell.
Transmute

Exile target creature. Its controller gains life equal to its power.

Sacrifice Seal of Removal: Return target creature to its owner's hand.

When Journey to Nowhere enters the battlefield, exile target creature.
When Journey to Nowhere leaves the battlefield, return the exiled card to the battlefield under its owner's control.

Enchant creature
When Treachery enters the battlefield, untap up to five lands.
You control enchanted creature.

Creatures you control get +0/+1.
Sacrifice Angelic Shield: Return target creature to its owner's hand.

When Oblivion Ring enters the battlefield, exile another target nonland permanent.
When Oblivion Ring leaves the battlefield, return the exiled card to the battlefield under its owner's control.

At the beginning of your upkeep, if an opponent controls more lands than you, you may search your library for up to three basic land cards, reveal them, and put them into your hand. If you do, shuffle your library.

Enchant creature
When Abduction enters the battlefield, untap enchanted creature.
You control enchanted creature.
When enchanted creature dies, return that card to the battlefield under its owner's control.

Enchant creature
You control enchanted creature.

When a player casts a spell, sacrifice Standstill. If you do, each of that player's opponents draws three cards.

Equipped creature gets +2/+2 and has protection from black and from green.
Whenever equipped creature deals combat damage to a player, that player discards a card and you untap all lands you control.
Equip

, : Tap target permanent.

Equipped creature gets +2/+2 and has protection from red and from blue.
Whenever equipped creature deals combat damage to a player, Sword of Fire and Ice deals 2 damage to target creature or player and you draw a card.
Equip

, : Add to your mana pool.

You may choose not to untap Vedalken Shackles during your untap step.
, : Gain control of target creature with power less than or equal to the number of Islands you control for as long as Vedalken Shackles remains tapped.

, , Discard a card: Return target creature to its owner's hand.

Coldsteel Heart enters the battlefield tapped.
As Coldsteel Heart enters the battlefield, choose a color.
: Add one mana of the chosen color to your mana pool.

Whenever equipped creature deals combat damage, put two charge counters on Umezawa's Jitte.
Remove a charge counter from Umezawa's Jitte: Choose one - Equipped creature gets +2/+2 until end of turn; or target creature gets -1/-1 until end of turn; or you gain 2 life.
Equip

: Add to your mana pool.
: Add or to your mana pool. Talisman of Progress deals 1 damage to you.

, Sacrifice Æther Spellbomb: Return target creature to its owner's hand.
, Sacrifice Æther Spellbomb: Draw a card.

Hexproof
Whenever Geist of Saint Traft attacks, put a 4/4 white Angel creature token with flying onto the battlefield tapped and attacking. Exile that token at the end of combat.