Enchant creature you control

Enchanted creature gets +1/+1.

Whenever enchanted creature deals combat damage to a player, you may sacrifice Flamespeaker's Will. If you do, destroy target artifact.

, : Create a 1/1 colorless Construct artifact creature token with defender.

, Sacrifice a creature with defender: Flamewright deals 1 damage to any target.

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

Counter target spell.

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.

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 .

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.

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.)

Trample

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.

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.)

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.

Transfigure (, Sacrifice this creature: Search your library for a creature card with the same mana value as this creature, put that card onto the battlefield, then shuffle. Transfigure only as a sorcery.)

, 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.

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.)

Flood Plain enters tapped.

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

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

, : Investigate. (Create a Clue token. It's an artifact with ", Sacrifice this artifact: Draw a card.")

Cumulative upkeep (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)

Flow of Maggots can't be blocked by non-Wall creatures.

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

Target creature gets -5/-5 until end of turn. Fodder Launch deals 5 damage to that creature's controller.

Gravestorm (When you cast this spell, copy it for each permanent put into a graveyard from the battlefield this turn.)

Investigate. (Create a Clue token. It's an artifact with ", Sacrifice this artifact: Draw a card.")

, Sacrifice Font of Fortunes: Draw two cards.

, Sacrifice Font of Return: Return up to three target creature cards from your graveyard to your hand.

When Food Coma enters, exile target creature an opponent controls until Food Coma leaves the battlefield. Create a Food token. (It's an artifact with ", , Sacrifice this artifact: You gain 3 life.")

Return target creature card from your graveyard to the battlefield. Sacrifice that creature at the beginning of the next end step.

Sacrifice a nontoken permanent. If you do, target opponent loses 2 life unless that player sacrifices a permanent or discards a card. You may repeat this process any number of times.

If it's not your turn, you may exile a red card from your hand rather than pay this spell's mana cost.

Create two 3/1 red Elemental creature tokens with trample and haste. Sacrifice those tokens at the beginning of your next upkeep.

: Add .

, Sacrifice Foreboding Landscape: Search your library for a basic Swamp, Forest, or Island card, put it onto the battlefield tapped, then shuffle.

Cycling (, Discard this card: Draw a card.)

At the beginning of your upkeep, sacrifice Forethought Amulet unless you pay .

If an instant or sorcery source would deal 3 or more damage to you, it deals 2 damage to you instead.

Whenever you sacrifice one or more other creatures, Forge Boss deals 2 damage to each opponent. This ability triggers only once each turn.

When this enchantment enters, you gain 7 life. You become a card until you leave your library or that library is shuffled. Put yourself seventh from the top, balancing the cards on top of you on your head.

When you draw yourself, you win the game.

When one or more cards fall off your head, exile them and all cards on your head, then sacrifice this enchantment.

Enchant creature

Sacrifice a Forest: Regenerate enchanted creature.

When Fortitude is put into a graveyard from the battlefield, return Fortitude to its owner's hand.

Destroy target creature with power 2 or less. Investigate. (Create a Clue token. It's an artifact with ", Sacrifice this artifact: Draw a card.")

Flying

When Foul Spirit enters, sacrifice a land.

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.

: Add .

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

: Add .

, , Sacrifice a token: Draw a card.

, , Pay 1 life: Create a 1/1 blue Fish creature token.

, : Create a Treasure token.

Vanishing 4 (This enchantment enters with four time counters on it. At the beginning of your upkeep, remove a time counter from it. When the last is removed, sacrifice it.)

At the beginning of your first main phase, draw a card.

: Roll two six-sided dice. If both results are the same, Free-Range Chicken gets +X/+X until end of turn, where X is that result. If the total of those results is equal to any other total you have rolled this turn for this ability, sacrifice it. (For example, if you roll two 3s, it gets +3/+3. If you roll a 4 and a 2 for this ability later that turn, sacrifice it.)

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."

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

Devoid (This card has no color.)

At the beginning of your upkeep, create a 1/1 colorless Eldrazi Scion creature token. It has "Sacrifice this creature: Add ."

, Sacrifice From Beyond: Search your library for an Eldrazi card, reveal it, put it into your hand, then shuffle.

When Frost Walker becomes the target of a spell or ability, sacrifice it.

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)

I — Create a 1/1 white Human creature token with ward and a 4/4 white Alien Rhino creature token.

II — Investigate.

III — You may exile a Human you control and an artifact you control. If you do, search your library for a Doctor card, put it onto the battlefield, then shuffle.

Sacrifice Fulminator Mage: Destroy target nonbasic land.

Enchant creature

When enchanted creature leaves the battlefield, its controller sacrifices a creature.

, Sacrifice a Forest: Put a +2/+2 counter on Fungus Elemental. Activate only if Fungus Elemental entered this turn.

Whenever you sacrifice another permanent, you may pay . If you do, Furnace Celebration deals 2 damage to any target.

Whenever Furnace Scamp deals combat damage to a player, you may sacrifice it. If you do, Furnace Scamp deals 3 damage to that player.

Whenever Furnace-Blessed Conqueror attacks, create a tapped and attacking token that's a copy of it. Put a +1/+1 counter on that token for each +1/+1 counter on Furnace-Blessed Conqueror. Sacrifice that token at the beginning of the next end step.

Cumulative upkeep (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)

All creatures get -1/-0.

: All creatures get -1/-0 until end of turn.