Target opponent looks at the top four cards of your library and separates them into a face-down pile and a face-up pile. Put one pile into your hand and the other into your graveyard.

Sacrifice a non-Demon creature. If you do, create a 4/3 white and black Vampire Demon creature token with flying.

Flying

When Foul Watcher enters, surveil 1. (Look at the top card of your library. You may put that card into your graveyard.)

Delirium — Foul Watcher gets +1/+0 as long as there are four or more card types among cards in your graveyard.

As an additional cost to cast this spell, you may reveal a Dragon card from your hand.

Target player sacrifices a creature of their choice. If you revealed a Dragon card or controlled a Dragon as you cast this spell, you gain 4 life.

You may look at face-down creatures your opponents control any time.

, Sacrifice Found Footage: Surveil 2, then draw a card. (To surveil 2, look at the top two cards of your library, then put any number of them into your graveyard and the rest on top of your library in any order.)

Read ahead (Choose a chapter and start with that many lore counters. Add one after your draw step. Skipped chapters don't trigger. Sacrifice after III.)

I — You may cast an instant or sorcery spell with mana value 1 or 2 from your hand without paying its mana cost.

II — Target player mills four cards.

III — Exile target instant or sorcery card from your graveyard. Copy it. You may cast the copy.

Flying

When Foundry Hornet enters, if you control a creature with a +1/+1 counter on it, creatures your opponents control get -1/-1 until end of turn.

: Add .

, , Sacrifice Foundry of the Consuls: Create two 1/1 colorless Thopter artifact creature tokens with flying.

Fountain of Cho enters tapped.

: Put a storage counter on Fountain of Cho.

, Remove any number of storage counters from Fountain of Cho: Add for each storage counter removed this way.

At the beginning of your upkeep, you gain 1 life.

, Sacrifice Fountain of Renewal: Draw a card.

Artifacts and enchantments you control have shroud. (They can't be the targets of spells or abilities.)

When Fountainport Bell enters, you may search your library for a basic land card, reveal it, then shuffle and put that card on top.

, Sacrifice Fountainport Bell: Draw a card.

Destroy target creature with flying.

Reinforce 2— (, Discard this card: Put two +1/+1 counters on target creature.)

Create a 0/0 green and blue Fractal creature token. Put X +1/+1 counters on it.

Destroy target artifact, enchantment, or planeswalker.

Enchant creature

Whenever enchanted creature becomes the target of a spell or ability, that spell or ability's controller gains control of that creature. (This effect lasts indefinitely.)

If a triggered ability of a permanent you control triggers, that ability triggers an additional time.

(You may cast either half. That door unlocks on the battlefield. As a sorcery, you may pay the mana cost of a locked door to unlock it.)

Destroy all artifacts and enchantments. You gain 2 life for each permanent destroyed this way.

Exile target nontoken artifact, creature, or enchantment. Its controller puts a random creature card with lesser mana value from their library onto the battlefield tapped.

As Frankenstein's Monster enters, exile X creature cards from your graveyard. If you can't, put Frankenstein's Monster into its owner's graveyard instead of onto the battlefield. For each creature card exiled this way, Frankenstein's Monster enters with a +2/+0, +1/+1, or +0/+2 counter on it.

Frantic Firebolt deals X damage to target creature, where X is 2 plus the number of cards in your graveyard that are instant cards, sorcery cards, and/or have an Adventure.

Destroy target enchantment.

Madness (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)

Haste

When Frantic Scapegoat enters, suspect it. (It has menace and can't block.)

Whenever one or more other creatures you control enter, if Frantic Scapegoat is suspected, you may suspect one of the other creatures. If you do, Frantic Scapegoat is no longer suspected.

Flash

Enchant creature

Enchanted creature gets +2/+2 and has trample.

Enchant player

At the beginning of each end step, enchanted player mills X cards, where X is the number of cards put into their graveyard from anywhere this turn.

Mill four cards. Then put an instant, sorcery, or Faerie card from among the milled cards into your hand.

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

Flying

: Freejam Regent gets +2/+0 until end of turn.

Reach

Whenever you commit a crime, look at the top five cards of your library. You may put a land card from among them onto the battlefield tapped. Put the rest on the bottom of your library in a random order. This ability triggers only once each turn. (Targeting opponents, anything they control, and/or cards in their graveyards is a crime.)

Protection from enemy-colored multicolored. (This creature can't be blocked, targeted, dealt damage, enchanted, or equipped by anything that's two enemy colors, such as blue and green.)

, Discard a card at random: Frenetic Ogre gets +3/+0 until end of turn.

All Slivers have ": If this permanent is on the battlefield, flip a coin. If you win the flip, exile this permanent and return it to the battlefield under its owner's control at the beginning of the next end step. If you lose the flip, sacrifice it."

Destroy target land. Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.

Create a 3/3 green Beast creature token for each creature put into your graveyard from the battlefield this turn.

During your turn, Fresh-Faced Recruit has first strike.

, Sacrifice a red or white creature: Freyalise Supplicant deals damage to any target equal to half the sacrificed creature's power, rounded down.

Create a 2/2 white Monk creature token.

Coststorm (When you cast this spell, copy it for each different mana value among other spells and lands you've played this turn.)

When Friendly Teddy dies, each player draws a card.

Counter target spell unless its controller pays . That player discards a card.

Enrage — Whenever Frilled Deathspitter is dealt damage, it deals 2 damage to target opponent or planeswalker.

: Frilled Sea Serpent can't be blocked this turn.

When Frillscare Mentor enters, put a menace counter on target non-Human creature you control. (It can't be blocked except by two or more creatures.)

, : Put a +1/+1 counter on each creature you control with menace.

Whenever Frodo, Determined Hero enters or attacks, you may attach target Equipment you control with mana value 2 or 3 to Frodo.

During your turn, prevent all damage that would be dealt to Frodo.

Trample, haste

Whenever Froghemoth deals combat damage to a player, exile up to that many target cards from their graveyard. Put a +1/+1 counter on Froghemoth for each creature card exiled this way. You gain 1 life for each noncreature card exiled this way.

Affinity for artifacts (This spell costs less to cast for each artifact you control.)

Flying

Whenever you cast an instant or sorcery spell, Frolicking Familiar gets +1/+1 until end of turn.

Put target creature card from a graveyard onto the battlefield under your control with a corpse counter on it. You take the initiative. If that creature would leave the battlefield, exile it instead of putting it anywhere else.

Escape—, Exile five other cards from your graveyard. (You may cast this card from your graveyard for its escape cost.)

Madness (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)

Create three tapped 2/2 black Zombie creature tokens and you gain 3 life. If this spell's madness cost was paid, instead create X of those tokens and you gain X life.

, : Until end of turn, you may play one basic Plains card from outside the game.

Ferocious — Frontier Mastodon enters with a +1/+1 counter on it if you control a creature with power 4 or greater.