: Flailing Ogre gets +1/+1 until end of turn. Any player may activate this ability.

: Flailing Ogre gets -1/-1 until end of turn. Any player may activate this ability.

Flame Burst deals X damage to any target, where X is 2 plus the number of cards named Flame Burst in all graveyards.

Flame Discharge deals X damage to target creature or planeswalker. If you controlled a modified creature as you cast this spell, it deals X plus 2 damage instead. (Equipment, Auras you control, and counters are modifications.)

Flame Rift deals 4 damage to each player.

Flying

Whenever Flameblast Dragon attacks, you may pay . If you do, Flameblast Dragon deals X damage to any target.

Echo (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.)

As an additional cost to cast this spell, reveal an Elemental card from your hand or pay .

When Flamekin Harbinger enters, you may search your library for an Elemental card, reveal it, then shuffle and put that card on top.

: Flamekin Spitfire deals 1 damage to any target.

Whenever Flamerush Rider attacks, create a token that's a copy of another target attacking creature and that's tapped and attacking. Exile the token at end of combat.

Dash (You may cast this spell for its dash cost. If you do, it gains haste, and it's returned from the battlefield to its owner's hand at the beginning of the next end step.)

Flames of the Firebrand deals 3 damage divided as you choose among one, two, or three targets.

Whenever an opponent activates an ability that isn't a mana ability, Flamescroll Celebrant deals 1 damage to that player.

: Flamescroll Celebrant gets +2/+0 until end of turn.

Whenever you scry, Flamespeaker Adept gets +2/+0 and gains first strike until end of turn.

You may choose not to untap Flamestick Courier during your untap step.

, : Target Goblin creature gets +2/+2 and has haste for as long as Flamestick Courier remains tapped.

Multikicker (You may pay an additional any number of times as you cast this spell.)

Flametongue Yearling enters with a +1/+1 counter on it for each time it was kicked.

When Flametongue Yearling enters, it deals damage equal to its power to target creature.

Living metal (During your turn, this Vehicle is also a creature.)

Menace, deathtouch

Whenever Flamewar deals combat damage to a player, exile that many cards from the top of your library face down. Put an intel counter on each of them. Convert Flamewar.

Flying

Tribute 2 (As this creature enters, an opponent of your choice may put two +1/+1 counters on it.)

When Flame-Wreathed Phoenix enters, if tribute wasn't paid, it gains haste and "When this creature dies, return it to its owner's hand."

When Flaming Fist Duskguard enters the battlefield, you get a boon with "When you cast your next creature spell, it perpetually gets +1/+0."

Flash

Enchant creature

Enchanted creature gets +1/+0 and has first strike.

Whenever Flanking Troops attacks, you may tap target creature.

You may sacrifice a nontoken green creature rather than pay this spell's mana cost.

Search your library for up to two basic land cards, reveal those cards, put one onto the battlefield tapped and the other into your hand, then shuffle.

You may sacrifice a nontoken red creature rather than pay this spell's mana cost.

Copy target instant or sorcery spell. You may choose new targets for the copy.

You may sacrifice a nontoken white creature rather than pay this spell's mana cost.

Until end of turn, your life total can't change, and permanents you control gain hexproof and indestructible.

As long as Flaring Flame-Kin is enchanted, it gets +2/+2, has trample, and has ": Flaring Flame-Kin gets +1/+0 until end of turn."

Untap target creature and gain control of it until end of turn. That creature gains haste until end of turn. If was spent to cast this spell, the creature gains "Whenever this creature deals combat damage, you gain that much life" until end of turn.

Destroy all Plains.

Reach

When Flavor Disaster enters the battlefield or when it's turned face up, target creature gets +X/+X until end of turn, where X is Flavor Disaster's power.

Negamorph (You may cast this card face down as a 2/2 creature for . Turn it face up any time for its negamorph cost and put a -1/-1 counter on it.)

Casualty 3 (As you cast this spell, you may sacrifice a creature with power 3 or greater. When you do, copy this spell and you may choose a new target for the copy.)

Exile target instant or sorcery card from an opponent's graveyard. Copy that card. You may cast the copy without paying its mana cost.

Whenever Flaxen Intruder deals combat damage to a player, you may sacrifice it. When you do, destroy target artifact or enchantment.

Living weapon (When this Equipment enters, create a 0/0 black Phyrexian Germ creature token, then attach this to it.)

Equipped creature gets +1/+1.

Equip

Undying (When this creature dies, if it had no +1/+1 counters on it, return it to the battlefield under its owner's control with a +1/+1 counter on it.)

Whenever Flayer of the Hatebound or another creature enters from your graveyard, that creature deals damage equal to its power to any target.

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."

Flying

: Fledgling Mawcor deals 1 damage to any target.

Morph (You may cast this card face down as a 2/2 creature for . Turn it face up any time for its morph cost.)

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.

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.)

As an additional cost to cast this spell, sacrifice a creature.

Destroy target creature. Its controller loses life equal to the number of creatures that died this turn.

Intimidate (This creature can't be blocked except by artifact creatures and/or creatures that share a color with it.)

, Sacrifice another creature: Put two +1/+1 counters on Flesh Carver.

When Flesh Carver dies, create an X/X black Horror creature token, where X is Flesh Carver's power.

When Fleshbag Marauder enters, each player sacrifices a creature of their choice.

: Fleshformer gets +2/+2 and gains fear until end of turn. Target creature gets -2/-2 until end of turn. Activate only during your turn. (A creature with fear can't be blocked except by artifact creatures and/or black creatures.)

Corrupted — : Return Fleshless Gladiator from your graveyard to the battlefield tapped. You lose 1 life. Activate only if an opponent has three or more poison counters.

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.

Exile target nontoken permanent, then return it to the battlefield under its owner's control.

Enchant creature

: Exile enchanted creature and all Auras attached to it. At the beginning of the next end step, return that card to the battlefield under its owner's control. If you do, return the other cards exiled this way to the battlefield under their owners' control attached to that creature.

Enchant creature

As Flickering Ward enters, choose a color.

Enchanted creature has protection from the chosen color. This effect doesn't remove Flickering Ward.

: Return Flickering Ward to its owner's hand.

Flinthoof Boar gets +1/+1 as long as you control a Mountain.

: Flinthoof Boar gains haste until end of turn. (It can attack and this turn.)