The Space Family Goblinson has trample as long as you've rolled three or more dice this turn.

Whenever you roll a die, put a +1/+1 counter on The Space Family Goblinson.

The Tarrasque has haste and ward as long as it was cast.

Whenever The Tarrasque attacks, it fights target creature defending player controls.

Trample

The Third Doctor gets +1/+1 for each noncreature token you control.

When The Third Doctor enters the battlefield, create your choice of a Clue token, a Food token, or a Treasure token.

The first spell you cast from anywhere other than your hand each turn has demonstrate. (When you cast that spell, you may copy it. If you do, choose an opponent to also copy it. A copy of a permanent spell becomes a token.)

Whenever you copy a spell, put a +1/+1 counter on The Twelfth Doctor.

Eminence — As long as The Ur-Dragon is in the command zone or on the battlefield, other Dragon spells you cast cost less to cast.

Flying

Whenever one or more Dragons you control attack, draw that many cards, then you may put a permanent card from your hand onto the battlefield.

Whenever one or more other permanents phase out and whenever one or more other cards are put into exile from anywhere, put a time counter on The War Doctor.

Whenever The War Doctor attacks, it deals damage equal to the number of time counters on it to any target. If a creature dealt damage this way would die this turn, exile it instead.

Flying

Whenever The Wise Mothman enters the battlefield or attacks, each player gets a rad counter.

Whenever one or more nonland cards are milled, put a +1/+1 counter on each of up to X target creatures, where X is the number of nonland cards milled this way.

Whenever Théoden, King of Rohan or another Human enters the battlefield under your control, target creature gains double strike until end of turn.

: Scry 1, then reveal the top card of your library. If it's a land card, put it onto the battlefield tapped. Otherwise, draw a card.

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

Haste

Whenever Thraximundar attacks, defending player sacrifices a creature.

Whenever a player sacrifices a creature, you may put a +1/+1 counter on Thraximundar.

, : Target creature gets +5/+5 until end of turn.

This spell can't be countered.

Trample

Thrun, Breaker of Silence can't be the target of nongreen spells your opponents control or abilities from nongreen sources your opponents control.

As long as it's your turn, Thrun has indestructible.

Flash

Flying

Spells you cast with mana value 5 or greater cost less to cast and can't be countered.

Flying, first strike

Whenever an Aura or Equipment you control is put into a graveyard from the battlefield, you may return that card to its owner's hand at the beginning of the next end step.

Partner with Rhoda, Geist Avenger (When this creature enters the battlefield, target player may put Rhoda into their hand from their library, then shuffle.)

Flying

At the beginning of each combat, tap up to one target creature.

Ward—Discard a card.

Whenever another nontoken Vampire you control dies, you may pay and exile it. If you do, create a 1/1 black Bat creature token with flying. It gains "When this creature deals combat damage to a player, sacrifice it and return the exiled card to the battlefield tapped."

At the beginning of each end step, if an opponent discarded a card this turn, you draw a card and you lose 1 life.

: Each opponent with no cards in hand loses 10 life.

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.