Trigon of Rage enters with three charge counters on it.

, : Put a charge counter on Trigon of Rage.

, , Remove a charge counter from Trigon of Rage: Target creature gets +3/+0 until end of turn.

As long as Trinisphere is untapped, each spell that would cost less than three mana to cast costs three mana to cast. (Additional mana in the cost may be paid with any color of mana or colorless mana. For example, a spell that would cost to cast costs to cast instead.)

, : Tap target creature.

Flying

Triskelavus enters with three +1/+1 counters on it.

, Remove a +1/+1 counter from Triskelavus: Create a 1/1 colorless Triskelavite artifact creature token with flying. It has "Sacrifice this creature: This creature deals 1 damage to any target."

Heroic — Whenever you cast a spell that targets Triton Cavalry, you may return target enchantment to its owner's hand.

Triton Shorestalker can't be blocked.

Up to two target creatures each get +0/+3 until end of turn. Untap those creatures. At this turn's next end of combat, tap each creature that was blocked by one of those creatures this turn and it doesn't untap during its controller's next untap step.

At the beginning of your upkeep, draw a card if you control the creature with the greatest power or tied for the greatest power.

Enchant creature

Enchanted creature gets +2/+2 and has ": Regenerate this creature." (The next time the creature would be destroyed this turn, instead tap it, remove it from combat, and heal all damage on it.)

: Regenerate target green creature.

Domain — Until end of turn, creatures you control gain trample and get +1/+1 for each basic land type among lands you control.

(: Add or .)

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

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

When Trostani's Summoner enters, create a 2/2 white Knight creature token with vigilance, a 3/3 green Centaur creature token, and a 4/4 green Rhino creature token with trample.

Sacrifice a land: Prevent the next 2 damage that would be dealt to any target this turn.

Each player may draw up to two cards. For each card less than two a player draws this way, that player gains 2 life.

Creatures you control have double strike and lifelink.

As True-Name Nemesis enters, choose a player.

True-Name Nemesis has protection from the chosen player.

: Target creature blocks Trumpeting Armodon this turn if able.

Soulbond (You may pair this creature with another unpaired creature when either enters. They remain paired for as long as you control both of them.)

As long as Trusted Forcemage is paired with another creature, each of those creatures gets +1/+1.

Reveal the top five cards of your library and separate them into two piles. An opponent chooses one of those piles. Put a card from the chosen pile into your hand, then put all other cards revealed this way on the bottom of your library in any order.

First strike, protection from legendary creatures

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

Choose a creature type. Target player reveals their hand and discards all creature cards of that type. Then destroy all creatures of that type that player controls. They can't be regenerated.

Destroy all Islands.

Flying

, : Target creature gets +2/+2 until end of turn.

Whenever Tuktuk Scrapper or another Ally you control enters, you may destroy target artifact. If that artifact is put into a graveyard this way, Tuktuk Scrapper deals damage to that artifact's controller equal to the number of Allies you control.

Tumble deals 6 damage to each creature with flying.

(: Add or .)

First strike (This creature deals combat damage before creatures without first strike.)

Whenever a land enters under an opponent's control, if that player had another land enter the battlefield under their control this turn, Tunnel Ignus deals 3 damage to that player.

Discard a card: Regenerate Tunneler Wurm.

Target player can't play lands this turn.

Draw a card.

Counter target spell that targets a permanent you control.

Creatures your opponents control get -2/-0 until end of turn.

Until end of turn, target creature loses all abilities and becomes a blue Frog with base power and toughness 1/1.

Turn to Slag deals 5 damage to target creature. Destroy all Equipment attached to that creature.

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

Landfall — Whenever a land you control enters, you may have target creature block Turntimber Basilisk this turn if able.

Whenever Turntimber Ranger or another Ally you control enters, you may create a 2/2 green Wolf creature token. If you do, put a +1/+1 counter on Turntimber Ranger.

You may tap or untap target artifact, creature, or land.

Whenever a creature token leaves the battlefield, put a +1/+1 counter on Twilight Drover.

, Remove a +1/+1 counter from Twilight Drover: Create two 1/1 white Spirit creature tokens with flying.

Flying, vigilance

When Twilight Shepherd enters, return to your hand all cards in your graveyard that were put there from the battlefield this turn.

Persist (When this creature dies, if it had no -1/-1 counters on it, return it to the battlefield under its owner's control with a -1/-1 counter on it.)

Wither (This deals damage to creatures in the form of -1/-1 counters.)

: Twinblade Slasher gets +2/+2 until end of turn. Activate only once each turn.

Strive — This spell costs more to cast for each target beyond the first.

Choose any number of target creatures you control. For each of them, create a token that's a copy of that creature, except it has haste. Exile those tokens at the beginning of the next end step.

Twinstrike deals 2 damage to each of two target creatures.

Hellbent — Destroy those creatures instead if you have no cards in hand.

: Regenerate Twisted Abomination. (The next time this creature would be destroyed this turn, instead tap it, remove it from combat, and heal all damage on it.)

Swampcycling (, Discard this card: Search your library for a Swamp card, reveal it, put it into your hand, then shuffle.)

Switch target creature's power and toughness until end of turn.

Draw a card.

You may tap or untap target artifact, creature, or land.

Draw a card.

Flying

Menace (This creature can't be blocked except by two or more creatures.)

Two-Headed Dragon can block an additional creature each combat.

: Two-Headed Dragon gets +2/+0 until end of turn.

All Sliver creatures have menace. (They can't be blocked except by two or more creatures.)