mtg.wtf

Double the power of target creature until end of turn.

Unleash Shell deals 5 damage to target creature or planeswalker and 2 damage to that permanent's controller.

When Unlucky Witness dies, exile the top two cards of your library. Until your next end step, you may play one of those cards.

Target creature gains haste until end of turn.

If a cycling ability of another nonland card would cause you to draw a card, instead exile cards from the top of your library until you exile a card that shares a card type with the cycled card. You may cast that card without paying its mana cost. Then put the exiled cards that weren't cast this way on the bottom of your library in a random order.
Cycling {2}

Enchant creature
Enchanted creature has "Whenever this creature attacks, it deals X damage to defending player, where X is the number of cards in their hand."
When Unquenchable Fury is put into your graveyard from the battlefield, return it to your hand.

Defender
{T}: Unruly Catapult deals 1 damage to each opponent.
Whenever you cast an instant or sorcery spell, untap Unruly Catapult.

Kicker {3}{R}
Damage can't be prevented this turn. If this spell was kicked, it deals 5 damage to target player or planeswalker.

Morph {3}{R}{R}
When Unstable Hulk is turned face up, it gets +6/+6 and gains trample until end of turn. You skip your next turn.

When Unstoppable Ogre enters the battlefield, target creature can't block this turn.

Gain control of target creature until end of turn. Untap that creature. It gets +X/+0 and gains haste until end of turn.

Creatures played by your opponents enter the battlefield tapped.

Upriser Renegade gets +2/+0 for each other modified creature you control.

First strike
Whenever you cast an instant or sorcery spell, Urabrask deals 1 damage to target opponent. Add {R}.
{R}: 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.

Creatures you control have haste.
Creatures your opponents control enter the battlefield tapped.

When Urabrask's Anointer enters the battlefield, it deals X damage to any target, where X is the number of permanents you control with oil counters on them.

At the beginning of combat on your turn, put an oil counter on Urabrask's Forge, then create an X/1 red Phyrexian Horror creature token with trample and haste, where X is the number of oil counters on Urabrask's Forge. Sacrifice that token at the beginning of the next end step.

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.

Kicker {8}{R}
This spell can't be countered.
Urza's Rage deals 3 damage to any target. If this spell was kicked, instead it deals 10 damage to that permanent or player and the damage can't be prevented.

{R}: Regenerate Uthden Troll.

When Uthgardt Fury enters the battlefield, it deals 4 damage to any target.
Damage isn't removed from creatures your opponents control during cleanup steps.

Flying
Whenever a Dragon you control attacks, create a 6/6 red Dragon creature token with flying.

Flying
Utvara Scalper attacks each combat if able.

Put any number of cards from your hand on the bottom of your library, then draw that many cards plus one.

Landfall — Whenever a land enters the battlefield under your control, exile the top card of your library. You may play that card for as long as it remains exiled.
At the beginning of your end step, if there are cards exiled with Valakut Exploration, put them into their owner's graveyard, then Valakut Exploration deals that much damage to each opponent.