You may put a creature card from your hand onto the battlefield. If you do, sacrifice it unless you pay its mana cost reduced by .

Counter target instant spell.

Cast this spell only during combat after blockers are declared.

Create a 1/1 green Saproling creature token that's blocking target creature attacking you.

Draw a card.

Look at the top X cards of your library. Put one of them into your hand and the rest on the bottom of your library in any order.

Flashback—, Exile X blue cards from your graveyard. (You may cast this card from your graveyard for its flashback cost, then exile it. You can't exile Flash of Insight to pay for its own flashback cost.)

Counter target red or green spell.

Target creature gets -4/-4 until end of turn.

: Choose target spell or ability that targets a permanent you control. Then ask a person outside the game if the story of what will happen makes sense. If they say no, sacrifice Flavor Judge and counter that spell or ability.

If you control a commander, you may cast this spell without paying its mana cost.

Creatures you control gain indestructible until end of turn.

Target player discards a card at random. Then that player discards another card at random unless they pay .

Whenever Flayed Nim deals combat damage to a creature, that creature's controller loses that much life.

: Regenerate Flayed Nim.

Devoid (This card has no color.)

First strike

Whenever another colorless creature you control enters, target opponent loses 1 life.

When you cast this spell, gain control of target creature until end of turn. Untap that creature. Until end of turn, it has base power and toughness 10/10 and gains trample, annihilator 2, and haste.

Annihilator 2 (Whenever this creature attacks, defending player sacrifices two permanents of their choice.)

Trample

Devoid (This card has no color.)

All creatures get -2/-2 until end of turn. If a creature would die this turn, exile it instead.

Flying

Threshold — As long as seven or more cards are in your graveyard, Fledgling Dragon gets +3/+3 and has ": Fledgling Dragon gets +1/+0 until end of turn."

, Discard a card: Fledgling Imp gains flying until end of turn.

Fledgling Osprey has flying as long as it's enchanted.

Whenever Fleet Swallower attacks, target player mills half their library, rounded up.

Equipped creature has flying and haste.

Equip (: Attach to target creature you control. Equip only as a sorcery.)

Flash

When Fleetfoot Panther enters, return a green or white creature you control to its owner's hand.

Flying

Whenever a player cycles a card, return Fleeting Aven to its owner's hand.

Put a +1/+1 counter on target creature. It gains flying until end of turn. Prevent all combat damage that would be dealt to it this turn.

When Fleeting Memories enters, investigate. (Create a Clue token. It's an artifact with ", Sacrifice this artifact: Draw a card.")

Whenever you sacrifice a Clue, target player mills three cards.

, Exile three cards from your graveyard: Fleeting Spirit gains first strike until end of turn.

Discard a card: Exile Fleeting Spirit. Return it to the battlefield under its owner's control at the beginning of the next end step.

Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)

Lifelink (Damage dealt by this creature also causes you to gain that much life.)

Exile target creature card from a graveyard. Put X +1/+1 counters on target creature, where X is the power of the card you exiled.

Fuse (You may cast one or both halves of this card from your hand.)

Deathtouch

Whenever Flesh Burrower attacks, another target creature you control gains deathtouch until end of turn.

You may have Flesh Duplicate enter as a copy of any creature on the battlefield, except it has vanishing 3 if that creature doesn't have vanishing. (A permanent with vanishing 3 enters with three time counters on it. At the beginning of your upkeep, remove a time counter from it. When the last is removed, sacrifice it.)

Destroy target creature. It can't be regenerated.

Flying

Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)

Sacrifice a creature: Flesh-Eater Imp gets +1/+1 until end of turn.

Discard an artifact card: Fleshgrafter gets +2/+2 until end of turn.

Whenever another creature dies, tap Fleshmad Steed.

Whenever you sacrifice another creature, you gain 1 life and scry 1. (Look at the top card of your library. You may put that card on the bottom.)

, Sacrifice another creature: Fleshtaker gets +2/+2 until end of turn.

Flick a Coin deals 1 damage to any target. You create a Treasure token. (It's an artifact with ", Sacrifice this artifact: Add one mana of any color.")

Draw a card.

Exile target creature or enchantment, then return it to the battlefield under its owner's control.

Flying

: Exile Flickering Spirit, then return it to the battlefield under its owner's control.

Flying

When Flickerwisp enters, exile another target permanent. Return that card to the battlefield under its owner's control at the beginning of the next end step.

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for or one mana of that creature's color.)

Flying

, Sacrifice Flight Spellbomb: Target creature gains flying until end of turn.

When Flight Spellbomb is put into a graveyard from the battlefield, you may pay . If you do, draw a card.

Whenever Flint Golem becomes blocked, defending player mills three cards.

Counter target spell unless its controller pays . Create a 2/2 black Zombie creature token with decayed. (It can't block. When it attacks, sacrifice it at end of combat.)

Flying

When Flitting Guerrilla dies, each player mills two cards. Then you may exile Flitting Guerrilla. When you do, put target creature or battle card from your graveyard on top of your library. (To mill two cards, a player puts the top two cards of their library into their graveyard.)

When Floating-Dream Zubera dies, draw a card for each Zubera that died this turn.

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for or one mana of that creature's color.)

Flying, vigilance

Whenever Flockchaser Phantom attacks, the next spell you cast this turn has convoke.

Return target instant or sorcery card from your graveyard to your hand. Exile Flood of Recollection.

Flood Plain enters tapped.

, Sacrifice Flood Plain: Search your library for a Plains or Island card, put it onto the battlefield, then shuffle.

Floodchaser enters with six +1/+1 counters on it.

Floodchaser can't attack unless defending player controls an Island.

, Remove a +1/+1 counter from Floodchaser: Target land becomes an Island until end of turn.

, Return two Islands you control to their owner's hand: Return target creature to its owner's hand.

Green creatures can't attack unless their controller sacrifices a land of their choice for each green creature they control that's attacking. (This cost is paid as attackers are declared.)

Defender

When Floodgate has flying, sacrifice it.

When Floodgate leaves the battlefield, it deals damage to each nonblue creature without flying equal to half the number of Islands you control, rounded down.

Flash

Vigilance

When Floodpits Drowner enters, tap target creature an opponent controls and put a stun counter on it.

, : Shuffle Floodpits Drowner and target creature with a stun counter on it into their owners' libraries.