Flying, lifelink

Fear of Infinity can't block.

Eerie — Whenever an enchantment you control enters and whenever you fully unlock a Room, you may return Fear of Infinity from your graveyard to your hand.

When Fear of Lost Teeth dies, it deals 1 damage to any target and you gain 1 life.

Flying

Eerie — Whenever Fear of Sleep Paralysis or another enchantment you control enters and whenever you fully unlock a Room, tap up to one target creature and put a stun counter on it.

Stun counters can't be removed from permanents your opponents control. (They won't untap if they have stun counters.)

Whenever Fear of the Dark attacks, if defending player controls no Glimmer creatures, it gains menace and deathtouch until end of turn. (A creature with menace can't be blocked except by two or more creatures.)

Menace (This creature can't be blocked except by two or more creatures.)

Daybound (If a player casts no spells during their own turn, it becomes night next turn.)

First strike

Boast — : Fearless Pup gets +2/+0 until end of turn. (Activate only if this creature attacked this turn and only once each turn.)

Return target creature card from your graveyard to the battlefield. If it's a Dragon, put two +1/+1 counters on it.

Menace (This creature can't be blocked except by two or more creatures.)

Nightbound (If a player casts at least two spells during their own turn, it becomes day next turn.)

Cast this spell only if you control two or more Vampires.

Destroy target creature. You gain 4 life.

Feast of Flesh deals X damage to target creature and you gain X life, where X is 1 plus the number of cards named Feast of Flesh in all graveyards.

All creatures get -4/-4 until end of turn. You become the monarch.

At the beginning of your end step, if one or more creatures died this turn, you gain that much life and distribute that many +1/+1 counters among creatures you control.

At the beginning of each upkeep, if an opponent lost life last turn, put a +1/+1 counter on target creature you control.

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

Devour 2 (As this enters, you may sacrifice any number of creatures. This creature enters with twice that many +1/+1 counters on it.)

Vigilance, trample

When Feasting Troll King enters, if you cast it from your hand, create three Food tokens. (They're artifacts with ", , Sacrifice this artifact: You gain 3 life.")

Sacrifice three Foods: Return Feasting Troll King from your graveyard to the battlefield. Activate only during your turn.

Flash

Enchant creature

When Feather of Flight enters, draw a card.

Enchanted creature gets +1/+0 and has flying.

Flying

Whenever you cast an instant or sorcery spell that targets a creature you control, exile that card instead of putting it into your graveyard as it resolves. If you do, return it to your hand at the beginning of the next end step.

Whenever a creature dies, that creature's controller may draw a card.

Aftermath (Cast this spell only from your graveyard. Then exile it.)

Draw a card for each creature you control with power 3 or greater.

You gain 5 life.

Ferocious — You gain 10 life instead if you control a creature with power 4 or greater.

You draw three cards and you lose 3 life.

Corrupted — Each opponent who has three or more poison counters loses 3 life.

Exile target creature or planeswalker.

Enchant enchantment

At the beginning of the upkeep of enchanted enchantment's controller, Feedback deals 1 damage to that player.

Target creature gets -X/-X until end of turn, where X is the number of Zombies on the battlefield.

Until end of turn, target creature gains "When this creature dies, return it to the battlefield tapped under its owner's control with a +1/+1 counter on it."

When this creature enters, roll a six-sided die. This creature deals damage equal to the result to target creature an opponent controls.

, : Create a token that's a copy of target creature card in your graveyard, except it's an artifact in addition to its other types. It gains haste. Sacrifice it at the beginning of the next end step.

, Exile this artifact: Shuffle your graveyard into your library.

Inspired — Whenever Felhide Spiritbinder becomes untapped, you may pay . If you do, create a token that's a copy of another target creature, except it's an enchantment in addition to its other types. It gains haste. Exile it at the beginning of the next end step.

When Felidar Guardian enters, you may exile another target permanent you control, then return that card to the battlefield under its owner's control.

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

When this creature enters, put a +1/+1 counter on each of up to two other target creatures you control.

Enchant creature

Enchanted creature has lifelink.

: Attach Felidar Umbra to target creature you control.

Umbra armor (If enchanted creature would be destroyed, instead remove all damage from it and destroy this Aura.)

Flying

Mentor (Whenever this creature attacks, put a +1/+1 counter on target attacking creature with lesser power.)

Whenever a nontoken creature you control dies, if it had counters on it, create X tapped 2/1 white and black Inkling creature tokens with flying, where X is the number of counters it had on it.

Destroy target creature.

Each opponent chooses a creature they control. Tap and goad the chosen creatures. (Until your next turn, those creatures attack each combat if able and attack a player other than you if able.)

Splice onto instant or sorcery (As you cast an instant or sorcery spell, you may reveal this card from your hand and pay its splice cost. If you do, add this card's effects to that spell.)

When Fell Horseman dies, put it on the bottom of its owner's library.

Whenever Fell Shepherd deals combat damage to a player, you may return to your hand all creature cards that were put into your graveyard from the battlefield this turn.

, Sacrifice another creature: Target creature gets -2/-2 until end of turn.

Deathtouch

Exploit (When this creature enters, you may sacrifice a creature.)

When Fell Stinger exploits a creature, target player draws two cards and loses 2 life.

Fell the Pheasant deals 5 damage to target creature with flying. Create a Food token. (It's an artifact with ", , Sacrifice this artifact: You gain 3 life.")

Put a +1/+1 counter on target creature you control. Then that creature deals damage equal to its power to target creature an opponent controls.

Target creature you control gets +2/+0 and gains haste until end of turn. When that creature dies this turn, create a 2/2 white and blue Detective creature token.

Whenever an enchantment is put into a graveyard from the battlefield, draw a card.

Flanking <I>(Whenever a creature without flanking blocks this creature, the blocking creature gets -1/-1 until end of turn.)</I>

: Femeref Knight gains vigilance until end of turn.

Improvise (Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for .)

Fen Hauler can't be blocked by artifact creatures.

Flying

: Put Fencer Clique on top of its owner's library.

Double strike (This creature deals both first-strike and regular combat damage.)

: Up to two target Swamps each become 3/5 Treefolk Warrior creatures in addition to their other types until end of turn.

: Feral Animist gets +X/+0 until end of turn, where X is its power.