, 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.

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.

Landfall - Whenever a land enters the battlefield under your control, Steppe Lynx gets +2/+2 until end of turn.

, 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.

CLICK TO TRANSFORM

At the beginning of your upkeep, look at the top card of your library. You may reveal that card. If an instant or sorcery card is revealed this way, transform Delver of Secrets.

Flying

Lightning Helix deals 3 damage to target creature or player and you gain 3 life.

Imprint - When Isochron Scepter enters the battlefield, you may exile an instant card with converted mana cost 2 or less from your hand.
, : You may copy the exiled card. If you do, you may cast the copy without paying its mana cost.

Lightning Bolt deals 3 damage to target creature or player.

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.

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.

: Add to your mana pool.
, , Exile a creature card from your graveyard : put 1/1 white Spirit creature token with flying onto the battlefield.

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

Counter target noncreature spell unless its controller pays .

Draw a card.
Scry 2

As an additional cost to cast Deprive, return a land you control to its owner's hand.
Counter target spell.

Magma Jet deals 2 damage to target creature or player.
Scry 2

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

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

, 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.

, 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.
, : Prevent the next 2 damage that would be dealt to target legendary creature this turn.

Flying, first strike, vigilance, lifelink, protection from red and from green

Return target creature card from your graveyard to the battlefield.
Flashback

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."

Destroy target land. If that land was nonbasic, Molten Rain deals 2 damage to the land's controller.

Flying
As Iona, Shield of Emeria enters the battlefield, choose a color.
Your opponents can't cast spells of the chosen color.

, , Exile two cards from your graveyard: Grim Lavamancer deals 2 damage to target creature or player.

Search your library for four cards with different names and reveal them. Target opponent chooses two of those cards. Put the chosen cards into your graveyard and the rest into your hand. Then shuffle your library.

Counter target instant spell.

Combust can't be countered by spells or abilities.
Combust deals 5 damage to target white or blue creature. The damage can't be prevented.

Draw three cards. Then discard two cards unless you discard an artifact card.