mtg.wtf

When Trusty Retriever enters the battlefield, choose one —
• Put a +1/+1 counter on Trusty Retriever.
• Return target artifact or enchantment card from your graveyard to your hand.

When Tsabo's Web enters the battlefield, draw a card.
Each land with an activated ability that isn't a mana ability doesn't untap during its controller's untap step.

When Turf War enters the battlefield, for each player, put a contested counter on target land that player controls.
Whenever a creature deals combat damage to a player, if that player controls one or more lands with contested counters on them, that creature's controller gains control of one of those lands of their choice and untaps it.

When Turntimber Ascetic enters the battlefield, you gain 3 life.

Turntimber Grove enters the battlefield tapped.
When Turntimber Grove enters the battlefield, target creature gets +1/+1 until end of turn.
{T}: Add {G}.

Reach
When Turret Ogre enters the battlefield, if you control another creature with power 4 or greater, Turret Ogre deals 2 damage to each opponent.

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

Reach
When Twin-Silk Spider enters the battlefield, create a 1/2 green Spider creature token with reach.

Reach
When Twinshot Sniper enters the battlefield, it deals 2 damage to any target.
Channel — {1}{R}, Discard Twinshot Sniper: It deals 2 damage to any target.

Enchant artifact or creature you control
When Twisted Embrace enters the battlefield, destroy target creature or planeswalker an opponent controls.
As long as enchanted permanent is a creature, it gets +1/+1.

When Twisted Sewer-Witch enters the battlefield, create a 1/1 black Rat creature token with "This creature can't block." Then for each Rat you control, create a Wicked Role token attached to that Rat.

If a creature you control would explore, instead you scry 1, then that creature explores.
When Twists and Turns enters the battlefield, target creature you control explores.
When a land enters the battlefield under your control, if you control seven or more lands, transform Twists and Turns.

When Tyrant of Discord enters the battlefield, target opponent chooses a permanent they control at random and sacrifices it. If a nonland permanent is sacrificed this way, repeat this process.

Flying
When Tyrant of Kher Ridges enters the battlefield, it deals 4 damage to any target.
{R}: Tyrant of Kher Ridges gets +1/+0 until end of turn.

Surge {3}{R}{R}
Flying
When Tyrant of Valakut enters the battlefield, if its surge cost was paid, it deals 3 damage to any target.

When Ubul Sar Gatekeepers enters the battlefield, if you control two or more Gates, target creature an opponent controls gets -2/-2 until end of turn.

When Ugin's Construct enters the battlefield, sacrifice a permanent that's one or more colors.

Imprint — When Ugin's Labyrinth enters the battlefield, you may exile a colorless card with mana value 7 or greater from your hand.
{T}: Add {C}. If a card is exiled with Ugin's Labyrinth, add {C}{C} instead.
{T}: Return the exiled card to its owner's hand.

Trample
When Uktabi Kong enters the battlefield, destroy all artifacts.
Tap two untapped Apes you control: Create a 1/1 green Ape creature token.

When Uktabi Orangutan enters the battlefield, destroy target artifact.

Devoid
Flash
Flying
When Ulamog's Nullifier enters the battlefield, you may put two cards your opponents own from exile into their owners' graveyards. If you do, counter target spell.

Devoid
When Ulamog's Reclaimer enters the battlefield, you may put a card an opponent owns from exile into that player's graveyard. If you do, return target instant or sorcery card from your graveyard to your hand.

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.

Morbid — When Ulvenwald Bear enters the battlefield, if a creature died this turn, put two +1/+1 counters on target creature.

Reach
Ulvenwald Hydra's power and toughness are each equal to the number of lands you control.
When Ulvenwald Hydra enters the battlefield, you may search your library for a land card, put it onto the battlefield tapped, then shuffle.