Counter target instant or sorcery spell. Search its controller's graveyard, hand, and library for any number of cards with the same name as that spell and exile them. That player shuffles, then draws a card for each card exiled from their hand this way.

: Testament of Faith becomes an X/X Wall creature with defender in addition to its other types until end of turn.

Flying

Whenever Tethered Skirge becomes the target of a spell or ability, you lose 1 life.

Flying

Tetravus enters the battlefield with three +1/+1 counters on it.

At the beginning of your upkeep, you may remove any number of +1/+1 counters from Tetravus. If you do, create that many 1/1 colorless Tetravite artifact creature tokens. They each have flying and "This creature can't be enchanted."

At the beginning of your upkeep, you may exile any number of tokens created with Tetravus. If you do, put that many +1/+1 counters on Tetravus.

Tetsuo Umezawa can't be the target of Aura spells.

, : Destroy target tapped or blocking creature.

Deathtouch

, Reveal Tetzimoc, Primal Death from your hand: Put a prey counter on target creature. Activate only during your turn.

When Tetzimoc enters the battlefield, destroy each creature your opponents control with a prey counter on it.

+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

When Teyo, Geometric Tactician enters the battlefield, create a 0/4 white Wall creature token with defender and flying.

+1: You and target opponent each draw a card.

−2: Choose left or right. Until your next turn, each player may attack only the nearest opponent in the last chosen direction and planeswalkers controlled by that opponent.

When Teyo's Lightshield enters the battlefield, put a +1/+1 counter on target creature you control.

Vigilance, protection from creatures

Whenever a creature deals combat damage to you, destroy that creature. Create a 1/1 white and black Spirit creature token with flying.

Sacrifice three white creatures: Exile target creature.

Whenever another black creature you control dies, create a 1/1 white Spirit creature token with flying.

+1: Untap up to two target artifacts.

−X: Search your library for an artifact card with mana value X or less, put it onto the battlefield, then shuffle.

−5: Artifacts you control become artifact creatures with base power and toughness 5/5 until end of turn.

+1: Create a 1/1 colorless Thopter artifact creature token with flying.

0: Draw a card. If you control three or more artifacts, draw two cards instead.

−9: You get an emblem with "At the beginning of your end step, search your library for a permanent card, put it onto the battlefield, then shuffle."

+1: Draw a card.

0: Until your next turn, target artifact you control becomes a 5/5 creature in addition to its other types.

−7: Put any number of cards from your hand onto the battlefield face down. They're 5/5 artifact creatures.

Creature and planeswalker spells you cast have affinity for artifacts. (They cost less to cast for each artifact you control.)

+2: Tezzeret, Master of the Bridge deals X damage to each opponent, where X is the number of artifacts you control. You gain X life.

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

−8: Exile the top ten cards of your library. Put all artifact cards from among them onto the battlefield.

Destroy target creature. You may search your library and/or graveyard for a card named Tezzeret, Master of Metal, reveal it, and put it into your hand. If you search your library this way, shuffle.

When Tezzeret's Gatebreaker enters the battlefield, look at the top five cards of your library. You may reveal a blue or artifact card from among them and put it into your hand. Put the rest on the bottom of your library in a random order.

, , Sacrifice Tezzeret's Gatebreaker: Creatures you control can't be blocked this turn.

As long as you control a Tezzeret planeswalker, Tezzeret's Strider has menace. (It can't be blocked except by two or more creatures.)

Islandwalk (This creature can't be blocked as long as defending player controls an Island.)

Whenever Thada Adel, Acquisitor deals combat damage to a player, search that player's library for an artifact card and exile it. Then that player shuffles. Until end of turn, you may play that card.

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

You may choose not to untap Thalakos Dreamsower during your untap step.

Whenever Thalakos Dreamsower deals damage to an opponent, tap target creature. That creature doesn't untap during its controller's untap step for as long as Thalakos Dreamsower remains tapped.

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

When Thalakos Seer leaves the battlefield, draw a card.

First strike, deathtouch

You may play an additional land on each of your turns.

Creatures and nonbasic lands your opponents control enter the battlefield tapped.

Whenever Thalia and The Gitrog Monster attacks, sacrifice a creature or land, then draw a card.

First strike

Creatures and nonbasic lands your opponents control enter the battlefield tapped.

First strike

When Thalia's Lancers enters the battlefield, you may search your library for a legendary card, reveal it, put it into your hand, then shuffle.

At the beginning of each end step, create X 1/1 white Spirit creature tokens with flying, where X is the number of tokens you created this turn.

At the beginning of your upkeep, put a spore counter on Thallid Germinator.

Remove three spore counters from Thallid Germinator: Create a 1/1 green Saproling creature token.

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

Defender

At the beginning of your upkeep, put a spore counter on Thallid Shell-Dweller.

Remove three spore counters from Thallid Shell-Dweller: Create a 1/1 green Saproling creature token.

Vigilance, reach

All creatures attack each combat if able.

Whenever a creature attacks you or a planeswalker you control, put a +1/+1 counter on Thantis, the Warweaver.

Indestructible

As long as your devotion to blue is less than five, Thassa isn't a creature. (Each in the mana costs of permanents you control counts toward your devotion to blue.)

At the beginning of your upkeep, scry 1.

: Target creature you control can't be blocked this turn.

Bestow (If you cast this card for its bestow cost, it's an Aura spell with enchant creature. It becomes a creature again if it's not attached to a creature.)

Whenever Thassa's Emissary or enchanted creature deals combat damage to a player, draw a card.

Enchanted creature gets +3/+3.

: You may tap or untap target creature.

Counter target spell unless its controller pays , where X is your devotion to blue. (Each in the mana costs of permanents you control counts toward your devotion to blue.)

Create three 1/1 red Human creature tokens with haste. Sacrifice those tokens at the beginning of the next end step.

Flying

When Thaumaturge's Familiar enters the battlefield, scry 1.

Double team

When Thayan Evokers enters the battlefield, conjure a card named Lightning Bolt into your hand, then discard a card.

Whenever you conjure one or more cards, put a +1/+1 counter on Thayan Evokers.

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

I — Exile a permanent card from your graveyard. You gain life equal to its mana value.

II — Put a number of +1/+1 counters on target creature you control equal to the mana value of the exiled card.

III — Return The Aesir Escape Valhalla and the exiled card to their owner's hand.

Descend 8 — The Ancient One can't attack or block unless there are eight or more permanent cards in your graveyard.

: Draw a card, then discard a card. When you discard a card this way, target player mills cards equal to its mana value.

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

I, II — Look at the top five cards of your library. You may reveal an artifact card from among them and put it into your hand. Put the rest on the bottom of your library in a random order.

III — Artifacts you control become artifact creatures with base power and toughness 5/5 until end of turn.

At the beginning of your upkeep, you gain X life, where X is the number of cards in your hand minus 4.

Whenever you gain life, each Advisor, Artificer, and Monk you control gains vigilance and gets +X/+0 until end of turn, where X is the amount of life you gained.

Tap three untapped Advisors, Artificers, and/or Monks you control: Draw a card.

The Autonomous Furnace enters the battlefield tapped.

: Add .

, , Sacrifice The Autonomous Furnace: Draw a card.

This spell costs less to cast for each permanent sacrificed this turn.

Haste

The Balrog, Durin's Bane can't be blocked except by legendary creatures.

When The Balrog dies, destroy target artifact or creature an opponent controls.

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

I, II — Draw two cards, then discard a card.

III — Shuffle any number of target cards from your graveyard into your library. Add .

Vigilance, haste

: Target opponent whose turn it is puts target nonlegendary creature card from your graveyard onto the battlefield under their control. It gains haste. Goad it. At the beginning of the next end step, exile it. (Until your next turn, that creature attacks each combat if able and attacks a player other than you if able.)

When you cast this spell, gain control of target creature until end of turn. Untap it. It gains menace and haste until end of turn.

The Beast enters the battlefield tapped with six stun counters on it. (If it would become untapped, remove a stun counter from it instead.)

Whenever a creature deals combat damage to its owner, untap The Beast and draw a card.

: Add .

, : Look at the top card of your library. If it's an instant or sorcery card, you may reveal it and put it into your hand. If you don't put the card into your hand, you may put it into your graveyard. Activate only if you have exactly zero or seven cards in hand.

: Add one mana of any color that appears on your top. (A top is an outerwear garment worn on the upper body.)

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

I — Search your library for a basic Plains card, reveal it, put it into your hand, then shuffle.

II — Create a 0/4 colorless Wall artifact creature token with defender.

III — You gain 2 life.

As The Black Gate enters the battlefield, you may pay 3 life. If you don't, it enters the battlefield tapped.

: Add .

, : Choose a player with the most life or tied for most life. Target creature can't be blocked by creatures that player controls this turn.

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

I — Create a 2/3 red Demon Berserker creature token with menace.

II — Whenever a Berserker attacks this turn, you draw a card and you lose 1 life.

III — Add for each Berserker you control. Until end of turn, you don't lose this mana as steps and phases end.

At the beginning of your end step, if you lost 2 or more life this turn, create a 2/2 black Zombie creature token.

, Exile The Book of Vile Darkness and artifacts you control named Eye of Vecna and Hand of Vecna: Create Vecna, a legendary 8/8 black Zombie God creature token with indestructible and all triggered abilities of the exiled cards.