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.

, 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.

, 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.

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

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.

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

When Stoneforge Mystic enters the battlefield, you may search your library for an Equipment card, reveal it, put it into your hand, then shuffle your library.
, : You may put an Equipment card from your hand onto the battlefield.

Counter target noncreature spell unless its controller pays .

Target player reveals his or her hand. You choose a nonland card from it with converted mana cost 3 or less. That player discards that card.

, 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.

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.

: Add to your mana pool.
, : Put target artifact card from your graveyard on top of your library.

: Add to your mana pool.
: Return target legendary creature to its owner's hand.

Counter target spell.

When Trinket Mage enters the battlefield, you may search your library for an artifact card with converted mana cost 1 or less, reveal that card, and put it into your hand. If you do, shuffle your library.

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

Target player reveals his or her hand. You choose a nonland card from it. That player discards that card. You lose 2 life.

Living weapon
Equipped creature gets +4/+4 and has vigilance and lifelink.
: Return Batterskull to its owner's hand.
Equip

Sunburst
, Sacrifice Engineered Explosives: Destroy each nonland permanent with converted mana cost equal to the number of charge counters on Engineered Explosives.

: Look at the top three cards of your library, then put them back in any order.
: Draw a card, then put Sensei's Divining Top on top of its owner's library.

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

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

As Pithing Needle enters the battlefield, name a card.
Activated abilities of sources with the chosen name can't be activated unless they're mana abilities.

, Sacrifice Nihil Spellbomb: Exile all cards from target player's graveyard.
When Nihil Spellbomb is put into a graveyard from the battlefield, you may pay . If you do, draw a card.

Creature cards can't enter the battlefield from graveyards or libraries.
Players can't cast cards in graveyards or libraries.

Put all creatures on the bottom of their owners' libraries.
Miracle

Destroy all green creatures. They can't be regenerated.

Until end of turn, creatures you control get +1/+1 and creatures your opponents control get -1/-1.

Counter target instant or sorcery spell unless its controller pays .
Storm

Split second
Choose target card in a graveyard other than a basic land card. Search its owner's graveyard, hand, and library for all cards with the same name as that card and exile them. Then that player shuffles his or her library.

Destroy target artifact or enchantment.

, Sacrifice Tormod's Crypt: Exile all cards from target player's graveyard.