Vigilance, reach, trample, haste

Titania, Gaea Incarnate's power and toughness are each equal to the number of lands you control.

When Titania enters the battlefield, return all land cards from your graveyard to the battlefield tapped.

: Put four +1/+1 counters on target land you control. It becomes a 0/0 Elemental creature with haste. It's still a land.

When Titania, Protector of Argoth enters the battlefield, return target land card from your graveyard to the battlefield.

Whenever a land you control is put into a graveyard from the battlefield, create a 5/3 green Elemental creature token.

First strike, protection from red

When Tivadar of Thorn enters the battlefield, destroy target Goblin.

Flying, ward

Council's dilemma — Whenever Tivit enters the battlefield or deals combat damage to a player, starting with you, each player votes for evidence or bribery. For each evidence vote, investigate. For each bribery vote, create a Treasure token.

While voting, you may vote an additional time. (The votes can be for different choices or for the same choice.)

Flash

When Tobias, Doomed Conqueror dies, for each nontoken creature you controlled that died this turn, create a 2/2 black Zombie creature token.

Creatures you control have vigilance and ": Surveil 1." (To surveil 1, look at the top card of your library. You may put that card into your graveyard.)

, Exile Tocasia, Dig Site Mentor from your graveyard: Return any number of target artifact cards with total mana value 10 or less from your graveyard to the battlefield. Activate only as a sorcery.

Protection from red

If a red source would deal damage to a player, it deals that much damage plus 1 to that player instead.

When Tolsimir, Friend to Wolves enters the battlefield, create Voja, Friend to Elves, a legendary 3/3 green and white Wolf creature token.

Whenever a Wolf enters the battlefield under your control, you gain 3 life and that creature fights up to one target creature you don't control.

When Toluz, Clever Conductor enters the battlefield, it connives. (Draw a card, then discard a card. If you discarded a nonland card, put a +1/+1 counter on this creature.)

Whenever you discard one or more cards, exile them from your graveyard.

When Toluz dies, put the cards exiled with it into their owner's hand.

Flying

Lands on the battlefield and land cards in graveyards can't be the targets of spells or abilities your opponents control.

Your opponents can't play land cards from graveyards.

If you would draw a card, look at the top three cards of your library instead. Put one of those cards into your hand and the rest on the bottom of your library in any order.

Partner with Pir, Imaginative Rascal (When this creature enters the battlefield, 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.

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.

If a red source you control would deal damage to an opponent or a permanent an opponent controls, it deals that much damage plus 2 instead.

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 the battlefield, up to one target player's life total becomes half their starting life total, rounded down.

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 Torsten, Founder of Benalia enters the battlefield, 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.

Kicker (You may pay an additional as you cast this spell.)

Protection from white

Whenever an opponent discards a card, put a +1/+1 counter on Tourach, Dread Cantor.

When Tourach enters the battlefield, if it was kicked, target opponent discards two cards at random.

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

: Target Wolf or Werewolf you control gets +X/+0 and gains trample until end of turn.

Nightbound

Trample

Traxos, Scourge of Kroog enters the battlefield tapped and doesn't untap during your untap step.

Whenever you cast a historic spell, untap Traxos. (Artifacts, legendaries, and Sagas are historic.)

Trample, ward

When Treebeard, Gracious Host enters the battlefield, create two Food tokens.

Whenever you gain life, put that many +1/+1 counters on target Halfling or Treefolk.

Flying

Whenever Treva, the Renewer deals combat damage to a player, you may pay . If you do, choose a color, then you gain 1 life for each permanent of that color.

Tromokratis has hexproof unless it's attacking or blocking.

Tromokratis can't be blocked unless all creatures defending player controls block it. (If any creature that player controls doesn't block this creature, it can't be blocked.)

Whenever another creature enters the battlefield under your control, you gain life equal to that creature's toughness.

, : Populate. (Create a token that's a copy of a creature token you control.)

: Add . Spend this mana only to cast spells with mana value 5 or greater or spells with in their mana costs.

, : Draw a card, then discard a card.

First strike, protection from legendary creatures

, : Destroy target legendary creature. It can't be regenerated.

Haste

When Tuktuk the Explorer dies, create Tuktuk the Returned, a legendary 5/5 colorless Goblin Golem artifact creature token.

Whenever you put an ability sticker on a creature, put a +1/+1 counter on that creature.

, : You get . You may put a sticker on a nonland permanent you own.

Whenever Tuya Bearclaw attacks, it gets +X/+X until end of turn, where X is the greatest power among other creatures you control.

, Sacrifice another creature: Tymaret, the Murder King deals 2 damage to target player or planeswalker.

, Sacrifice a creature: Return Tymaret from your graveyard to your hand.

Whenever one or more Elves you control attack, they gain deathtouch until end of turn.

Each creature you control has "Whenever a mana ability of this creature resolves, put a number of +1/+1 counters on it equal to the amount of mana this creature produced. This ability triggers only once each turn."

Whenever another creature you control dies, put a +1/+1 counter on Uglúk of the White Hand. If that creature was a Goblin or Orc, put two +1/+1 counters on Uglúk instead.

When you cast this spell, exile two target permanents.

Indestructible

Whenever Ulamog, the Ceaseless Hunger attacks, defending player exiles the top twenty cards of their library.

When you cast this spell, destroy target permanent.

Indestructible

Annihilator 4 (Whenever this creature attacks, defending player sacrifices four permanents.)

When Ulamog, the Infinite Gyre is put into a graveyard from anywhere, its owner shuffles their graveyard into their library.

When Ulder Ravengard, Marshal enters the battlefield, another target nontoken creature you control gains double team until end of turn.

Whenever Ulder Ravengard attacks, conjure a duplicate of another target nontoken attacking creature into your hand.

Whenever this creature transforms into Ulrich, Uncontested Alpha, you may have it fight target non-Werewolf creature you don't control.

At the beginning of each upkeep, if a player cast two or more spells last turn, transform Ulrich, Uncontested Alpha.

Umbris, Fear Manifest gets +1/+1 for each card your opponents own in exile.

Whenever Umbris or another Nightmare or Horror enters the battlefield under your control, target opponent exiles cards from the top of their library until they exile a land card.

Other blue creatures you control have "Whenever this creature becomes tapped, draw a card, then discard a card."

Other artifact creatures you control get +1/+1.

: Until end of turn, target creature you control becomes a blue artifact in addition to its other colors and types. Activate only as a sorcery. ( can be paid with either or 2 life.)

First strike

Whenever you cast an instant or sorcery spell, Urabrask deals 1 damage to target opponent. Add .

: Exile Urabrask, then return it to the battlefield transformed under its owner's control. Activate only as a sorcery and only if you've cast three or more instant and/or sorcery spells this turn.

Haste

At the beginning of your upkeep, exile the top card of your library. You may play it this turn.

At the beginning of each opponent's upkeep, the next time they would draw a card this turn, instead they exile the top card of their library. They may play it this turn.

Flying

Whenever Urgoros, the Empty One deals combat damage to a player, that player discards a card at random. If the player can't, you draw a card.

When Uro enters the battlefield, sacrifice it unless it escaped.

Whenever Uro enters the battlefield or attacks, you gain 3 life and draw a card, then you may put a land card from your hand onto the battlefield.

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

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

Artifact creatures you control have menace.

At the beginning of your end step, create a 0/0 colorless Construct artifact creature token with "This creature gets +1/+1 for each artifact you control."

Artifact, instant, and sorcery spells you cast cost less to cast.

: If you both own and control Urza, Lord Protector and an artifact named The Mightstone and Weakstone, exile them, then meld them into Urza, Planeswalker. Activate only as a sorcery.

Artifact creatures you control get +2/+2.

: Create a token that's a copy of target artifact you control, except it's a 1/1 Soldier creature in addition to its other types.

: You may exile an instant or sorcery card from your hand and put three hone counters on it. It gains "At the beginning of your upkeep, if this card is exiled, remove a hone counter from it" and "When the last hone counter is removed from this card, if it's exiled, you may cast it. It costs less to cast this way."

Whenever you commit a crime, put a +1/+1 counter on Vadmir, New Blood. This ability triggers only once each turn. (Targeting opponents, anything they control, and/or cards in their graveyards is a crime.)

As long as Vadmir has four or more +1/+1 counters on it, it has menace and lifelink.

Mutate (If you cast this spell for its mutate cost, put it over or under target non-Human creature you own. They mutate into the creature on top plus all abilities from under it.)

Flying, first strike

Whenever this creature mutates, you may cast target noncreature card with mana value 3 or less from your graveyard without paying its mana cost.

Flying

Whenever Vaevictis Asmadi, the Dire attacks, for each player, choose target permanent that player controls. Those players sacrifice those permanents. Each player who sacrificed a permanent this way reveals the top card of their library, then puts it onto the battlefield if it's a permanent card.