Study enters the battlefield tapped.

: Add or .

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

, Pay 2 life: Choose one. Activate only once.

• Subversive Acolyte becomes a Human Cleric. It gets +1/+2 and gains lifelink.

• Subversive Acolyte becomes a Phyrexian. It gets +3/+3 and gains trample and "Whenever this creature is dealt damage, sacrifice that many permanents."

Split second (As long as this spell is on the stack, players can't cast spells or activate abilities that aren't mana abilities.)

Target player sacrifices a creature.

Sulfur Vent enters the battlefield tapped.

: Add .

, Sacrifice Sulfur Vent: Add .

, Pay 1 life: Add or .

, , Sacrifice Sunbaked Canyon: Draw a card.

Equipped creature gets +1/+0 and has "Whenever this creature attacks, you may sacrifice Sunfire Torch. When you do, this creature deals 2 damage to any target."

Equip (: Attach to target creature you control. Equip only as a sorcery.)

At the beginning of your upkeep, sacrifice Sunken City unless you pay .

Blue creatures get +1/+1.

, Sacrifice a snow land: Prevent all combat damage that would be dealt this turn.

Flying

Champion an Elemental (When this enters the battlefield, sacrifice it unless you exile another Elemental you control. When this leaves the battlefield, that card returns to the battlefield.)

Whenever you discard a creature card, put a +1/+1 counter on Surly Badgersaur.

Whenever you discard a land card, create a Treasure token. (It's an artifact with ", Sacrifice this artifact: Add one mana of any color.")

Whenever you discard a noncreature, nonland card, Surly Badgersaur fights up to one target creature you don't control.

Surtland Frostpyre enters the battlefield tapped.

: Add .

, , Sacrifice Surtland Frostpyre: Scry 2. Surtland Frostpyre deals 2 damage to each creature. Activate only as a sorcery.

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.)

: Draw two cards, then put a card from your hand on top of your library.

This spell costs less to cast if you've sacrificed an artifact this turn.

This spell can't be countered. (This includes by the ward ability.)

Suspicious Detonation deals 4 damage to target creature.

, Sacrifice a land: Target creature gets +1/+1 until end of turn.

When you're dealt combat damage, sacrifice Swarmborn Giant.

: Monstrosity 2. (If this creature isn't monstrous, put two +1/+1 counters on it and it becomes monstrous.)

As long as Swarmborn Giant is monstrous, it has reach.

When Swashbuckler Extraordinaire enters the battlefield, create a Treasure token. (It's an artifact with ", Sacrifice this artifact: Add one mana of any color.")

Whenever you attack, you may sacrifice one or more Treasures. When you do, up to that many target creatures gain double strike until end of turn.

Sword of the Ages enters the battlefield tapped.

, Sacrifice Sword of the Ages and any number of creatures you control: Sword of the Ages deals X damage to any target, where X is the total power of the creatures sacrificed this way, then exile Sword of the Ages and those creature cards.

, Sacrifice Sylvok Replica: Destroy target artifact or enchantment.

, Sacrifice an artifact: Put a +1/+1 counter on Syndicate Trafficker. It gains indestructible until end of turn.

, : Exile target permanent you control.

, Sacrifice Synod Sanctum: Return all cards exiled with Synod Sanctum to the battlefield under your control.

Each other player sacrifices a creature. You create a 2/2 black Zombie creature token for each creature sacrificed this way.

Choose one. If you control a commander as you cast this spell, you may choose both instead.

• Each opponent sacrifices a creature they control with the greatest power.

• Exile all opponents' graveyards, then create X 0/1 black Thrull creature tokens, where X is the greatest power among creature cards exiled this way.

Whenever a creature enters the battlefield, its controller sacrifices a creature or land.

Spells and abilities your opponents control can't cause you to sacrifice permanents.

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

I — Target creature you control gains indestructible for as long as you control Tale of Tinúviel.

II — Return target creature card from your graveyard to the battlefield.

III — Up to two target creatures you control each gain lifelink until end of turn.

Spells and abilities your opponents control can't cause you to discard cards or sacrifice permanents.

+1: Choose a nonland card name, then reveal the top four cards of your library. Put all cards with the chosen name from among them into your hand and the rest into your graveyard.

−3: Return target card from your graveyard to your hand.

At the beginning of your upkeep, investigate. (Create a Clue token. It's an artifact with ", Sacrifice this artifact: Draw a card.")

, Sacrifice three Clues: Search your library for a card, put that card into your hand, then shuffle.

Ward

At the beginning of each combat, other Clues you control become 6/6 Plant creatures in addition to their other types until end of turn.

, Sacrifice Tangletrove Kelp: Draw a card.

When Tar Pit Warrior becomes the target of a spell or ability, sacrifice it.

Each player sacrifices the creature they control with the highest mana value unless they pay that creature's mana cost. If two or more creatures a player controls are tied for highest, that player chooses one.

When there are no creatures on the battlefield, sacrifice Task Mage Assembly.

: Task Mage Assembly deals 1 damage to target creature. Any player may activate this ability but only as a sorcery.

Enchant creature

Enchanted creature gets +1/+1 and has protection from enchantments. This effect doesn't remove Tattoo Ward.

Sacrifice Tattoo Ward: Destroy target enchantment.

, : Create a token that's a copy of up to one target artifact token you control. Mill two cards.

, , Sacrifice two artifact tokens, Exile an artifact or creature card from your graveyard: Create a token that's a copy of the exiled card, except it's an artifact in addition to its other types. Activate only as a sorcery.

Sacrifice Teardrop Kami: You may tap or untap target creature.

Each player sacrifices X lands.

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.)

Tectonic Fiend attacks each combat if able.

, Sacrifice an enchantment: Destroy target enchantment.

: Counter target enchantment spell.

Whenever a player taps a land for mana, Tember City deals 1 damage to that player.

Whenever chaos ensues, each other player sacrifices a nonland permanent.

Remove Tempest Efreet from your deck before playing if you're not playing for ante.

, Sacrifice Tempest Efreet: Target opponent may pay 10 life. If that player doesn't, they reveal a card at random from their hand. Exchange ownership of the revealed card and Tempest Efreet. Put the revealed card into your hand and Tempest Efreet from anywhere into that player's graveyard. This change in ownership is permanent.

When Tempting Witch enters the battlefield, create a Food token. (It's an artifact with ", , Sacrifice this artifact: You gain 3 life.")

, , Sacrifice a Food: Target player loses 3 life.

Bargain (You may sacrifice an artifact, enchantment, or token as you cast this spell.)

When Tenacious Tomeseeker enters the battlefield, if it was bargained, return target instant or sorcery card from your graveyard to your hand.

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

Create X 1/1 black and green Pest creature tokens with "When this creature dies, you gain 1 life," where X is the sacrificed creature's power.

Enchant opponent

At the beginning of enchanted opponent's end step, you and that player each draw a card.

When you attack enchanted opponent or a planeswalker they control or when they attack you or a planeswalker you control, sacrifice Tenuous Truce.

: Target player loses 3 life unless they sacrifice a nonland permanent or discard a card.

: Untap Tergrid's Lantern.

: Add .

, , Sacrifice Terminal Moraine: Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.

Terrarion enters the battlefield tapped.

, , Sacrifice Terrarion: Add two mana in any combination of colors.

When Terrarion is put into a graveyard from the battlefield, draw a card.

Menace

Whenever Terror Ballista attacks, you may sacrifice another creature. When you do, destroy target creature an opponent controls.

Unearth (: Return this card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step or if it would leave the battlefield. Unearth only as a sorcery.)

+2: Create two 0/1 black Thrull creature tokens.

+1: You may sacrifice another creature or planeswalker. If you do, draw two cards, then draw another card if the sacrificed permanent was a commander.

−10: Gain control of all commanders. Put all commanders from the command zone onto the battlefield under your control.

Tevesh Szat, Doom of Fools can be your commander.

Partner

+1: Create a colorless artifact token named Etherium Cell with ", Sacrifice this artifact: Add one mana of any color."

−2: Target creature gets +X/-X until end of turn, where X is the number of artifacts you control.

−7: You get an emblem with "At the beginning of combat on your turn, target artifact you control becomes an artifact creature with base power and toughness 5/5."

Shadow (This creature can block or be blocked by only creatures with shadow.)

Whenever Thalakos Deceiver attacks and isn't blocked, you may sacrifice it. If you do, gain control of target creature. (This effect lasts indefinitely.)