When Tomakul Scrapsmith enters, mill three cards. You may put an artifact card from among the cards milled this way into your hand. If you don't, put a +1/+1 counter on Tomakul Scrapsmith. (To mill a card, put the top card of your library into your graveyard.)

When Tomb of Horrors Adventurer enters, you take the initiative.

Whenever you cast your second spell each turn, copy it. If you've completed a dungeon, copy that spell twice instead. You may choose new targets for the copies. (A copy of a permanent spell becomes a token.)

: Put target card from your graveyard on the bottom of your library.

Flying

Delve (Each card you exile from your graveyard while casting this spell pays for .)

Flying

When Tome Raider enters, draw a card.

Deathtouch (Any amount of damage this deals to a creature is enough to destroy it.)

Lifelink (Damage dealt by this creature also causes you to gain that much life.)

Whenever Tomebound Lich enters or deals combat damage to a player, draw a card, then discard a card.

Affinity for planeswalkers (This spell costs less to cast for each planeswalker you control.)

Flying, vigilance

Whenever an opponent attacks with creatures, if two or more of those creatures are attacking you and/or planeswalkers you control, that opponent loses 3 life and you draw a card.

, : Target player draws X cards, where X is the number of cards in your hand.

Whenever a spell you control causes you to gain card advantage, each opponent loses 2 life. (You gain card advantage each time a spell you control resolves and you end up having more cards relative to your opponents than before that spell resolved. Divination, Annihilate, and Wrath of God can all be card advantage. And remember: tokens aren't cards)

At the beginning of combat on your turn, if you control an artifact, Toolcraft Exemplar gets +2/+1 until end of turn. If you control three or more artifacts, it also gains first strike until end of turn.

Partner with Pir, Imaginative Rascal (When this creature enters, target player may put Pir into their hand from their library, then shuffle.)

Whenever you draw a card, put a +1/+1 counter on Toothy, Imaginary Friend.

When Toothy leaves the battlefield, draw a card for each +1/+1 counter on it.

Vigilance (Attacking doesn't cause this creature to tap.)

Renown 1 (When this creature deals combat damage to a player, if it isn't renowned, put a +1/+1 counter on it and it becomes renowned.)

Trample

Basic landcycling (, Discard this card: Search your library for a basic land card, reveal it, put it into your hand, then shuffle.)

When Topography Tracker enters, create a Map token. (It's an artifact with ", , Sacrifice this artifact: Target creature you control explores. Activate only as a sorcery.")

If a creature you control would explore, instead it explores, then it explores again.

Reach, lifelink

If another source you control would deal noncombat damage to a permanent or player, it deals that much damage plus 1 to that permanent or player instead.

Whenever you cast an instant or sorcery spell, Tor Wauki the Younger deals 2 damage to any target.

Haste

Whenever Toralf's Disciple attacks, conjure four cards named Lightning Bolt into your library, then shuffle.

Haste

Sacrifice Torch Courier: Another target creature gains haste until end of turn.

, Sacrifice Torch Fiend: Destroy target artifact.

: Untap Torchling.

: Target creature blocks Torchling this turn if able.

: Change the target of target spell that targets only Torchling.

: Torchling gets +1/-1 until end of turn.

: Torchling gets -1/+1 until end of turn.

As an additional cost to cast this spell, you may sacrifice any number of creatures. This spell costs less to cast for each creature sacrificed this way.

When Torgaar, Famine Incarnate enters, up to one target player's life total becomes half their starting life total, rounded down.

Vigilance (Attacking doesn't cause this creature to tap.)

Soulshift 4 (When this creature dies, you may return target Spirit card with mana value 4 or less from your graveyard to your hand.)

Tormented Hero enters tapped.

Heroic — Whenever you cast a spell that targets Tormented Hero, each opponent loses 1 life. You gain life equal to the life lost this way.

Tormented Soul can't block and can't be blocked.

Whenever one or more cards leave your graveyard, create a tapped 2/2 black Zombie creature token.

Partner (You can have two commanders if both have partner.)

When Tornado Elemental enters, it deals 6 damage to each creature with flying.

You may have Tornado Elemental assign its combat damage as though it weren't blocked.

Flying

Whenever Torrent Elemental attacks, tap all creatures defending player controls.

: Put Torrent Elemental from exile onto the battlefield tapped. Activate only as a sorcery.

Flash

When Torrential Gearhulk enters, you may cast target instant card from your graveyard without paying its mana cost. If that spell would be put into your graveyard, exile it instead.

When Torsten, Founder of Benalia enters, reveal the top seven cards of your library. Put any number of creature and/or land cards from among them into your hand and the rest on the bottom of your library in a random order.

When Torsten dies, create seven 1/1 white Soldier creature tokens.

This spell can't be countered.

Indestructible

Toski, Bearer of Secrets attacks each combat if able.

Whenever a creature you control deals combat damage to a player, draw a card.

When Totem-Guide Hartebeest enters, you may search your library for an Aura card, reveal it, put it into your hand, then shuffle.

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

: Until end of turn, target noncreature artifact you control becomes a 4/4 artifact creature.

, , Sacrifice Tough Cookie: You gain 3 life.

Whenever a Wolf or Werewolf you control deals combat damage to a player, draw a card.

At the beginning of your upkeep, if you control three or more Wolves and/or Werewolves, it becomes night. Then transform any number of Human Werewolves you control.

Daybound

When Tovolar's Huntmaster enters, create two 2/2 green Wolf creature tokens.

Daybound (If a player casts no spells during their own turn, it becomes night next turn.)

Whenever Tovolar's Packleader enters or attacks, create two 2/2 green Wolf creature tokens.

: Another target Wolf or Werewolf you control fights target creature you don't control.

Nightbound (If a player casts at least two spells during their own turn, it becomes day next turn.)

Whenever another artifact you control enters, Towashi Songshaper gets +1/+0 until end of turn.

Flying

Reach, deathtouch

When Tower Winder enters, search your library and/or graveyard for a card named Command Tower, reveal it, and put it into your hand. If you search your library this way, shuffle.

Morph (You may cast this card face down as a 2/2 creature for . Turn it face up any time for its morph cost.)

Reach (This creature can block creatures with flying.)

Towering Titan enters with X +1/+1 counters on it, where X is the total toughness of other creatures you control.

Sacrifice a creature with defender: All creatures gain trample until end of turn.

Whenever Towering-Wave Mystic deals damage, target player mills that many cards.

Whenever Town Sentry blocks, it gets +0/+2 until end of turn.

When Toxic Abomination enters, you lose 2 life.

Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)

: Regenerate Toxic Nim.

Reach, deathtouch

Hypertoxic Miasma — All lands have ": Add one mana of any color" and lose all other abilities.

At the beginning of each end step, put a slime counter on each creature you don't control.

Creatures you don't control get -1/-1 for each slime counter on them.

Whenever a creature you don't control with a slime counter on it dies, create a 1/1 black Slug creature token.

, Sacrifice a Slug: Draw a card.

, , Discard a card: Target noncreature artifact becomes an artifact creature with power and toughness each equal to its mana value until end of turn. <I>(It retains its abilities.)</I>

At the beginning of your upkeep, put a currency counter on Trade Caravan.

Remove two currency counters from Trade Caravan: Untap target basic land. Activate only during an opponent's upkeep.

Morbid — When this creature enters, target creature an opponent controls gets -1/-1 until end of turn. If a creature died this turn, that creature gets -13/-13 instead.