When Fathom Fleet Boarder enters, you lose 2 life unless you control another Pirate.

When Fathom Fleet Cutthroat enters, destroy target creature an opponent controls that was dealt damage this turn.

Whenever Fathom Fleet Swordjack attacks, it deals damage to the player or planeswalker it's attacking equal to the number of artifacts you control.

Encore (, Exile this card from your graveyard: For each opponent, create a token copy that attacks that opponent this turn if able. They gain haste. Sacrifice them at the beginning of the next end step. Activate only as a sorcery.)

Morph—Return two Islands you control to their owner's hand. (You may cast this card face down as a 2/2 creature for . Turn it face up any time for its morph cost.)

When Fathom Seer is turned face up, draw two cards.

Target player skips their next draw step.

Sacrifice a land: Fault Riders gets +2/+0 and gains first strike until end of turn. Activate only once each turn.

, , Discard a creature card: Search your library for a creature card, reveal it, put it into your hand, then shuffle.

Enchant artifact or creature

As long as enchanted permanent is a creature, it gets +3/+3 and has reach.

Channel — , Discard Favor of Jukai: Target creature gets +3/+3 and gains reach until end of turn.

Enchant creature

As long as enchanted creature is green, it gets +1/+1 and has vigilance.

As long as enchanted creature is blue, it gets +1/+1 and has flying.

Enchant creature

Enchanted creature gets +1/+2 as long as it's white.

Enchanted creature has shroud as long as its controller controls another creature. (It can't be the target of spells or abilities.)

As Favored Enemy enters the battlefield, note the most prevalent creature type in an opponent's library.

When Favored Enemy enters the battlefield, target creature you control fights up to one target creature you don't control.

Whenever a creature an opponent controls of the noted type dies, put a +1/+1 counter on target creature you control.

Constellation — Whenever an enchantment you control enters, Favored of Iroas gains double strike until end of turn. (It deals both first-strike and regular combat damage.)

When Fblthp, the Lost enters, draw a card. If it entered from your library or was cast from your library, draw two cards instead.

When Fblthp becomes the target of a spell, shuffle Fblthp into its owner's library.

Enchant creature (Target a creature as you cast this. This card enters attached to that creature.)

Enchanted creature has fear. (It can't be blocked except by artifact creatures and/or black creatures.)

Haste

Fear of Being Hunted must be blocked if able.

Enchant creature

When Fear of Death enters, mill two cards. (Put the top two cards of your library into your graveyard.)

Enchanted creature gets -X/-0, where X is the number of cards in your graveyard.

Whenever Fear of Failed Tests deals combat damage to a player, draw that many cards.

When Fear of Immobility enters, tap up to one target creature. If an opponent controls that creature, put a stun counter on it. (If a permanent with a stun counter would become untapped, remove one from it instead.)

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.