: 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.)

Double strike (This creature deals both first-strike and regular combat damage.)

Target creature gains indestructible until end of turn. (Then exile this card. You may cast the creature later from exile.)

You may activate abilities of creatures you control as though those creatures had haste.

+1: Untap up to one target creature.

−2: Mill three cards, then you may return a creature card with mana value 2 or less from your graveyard to the battlefield.

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

Colorless spells you cast cost less to cast.

+1: Exile the top card of your library face down and look at it. Create a 2/2 colorless Spirit creature token. When that token leaves the battlefield, put the exiled card into your hand.

−3: Destroy target permanent that's one or more colors.

Imprint — When Ugin's Labyrinth enters, you may exile a colorless card with mana value 7 or greater from your hand.

: Add . If a card is exiled with Ugin's Labyrinth, add instead.

: Return the exiled card to its owner's hand.

Cumulative upkeep (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)

Trample

When Uktabi Kong enters, destroy all artifacts.

Tap two untapped Apes you control: Create a 1/1 green Ape creature token.

Uktabi Wildcats's power and toughness are each equal to the number of Forests you control.

, Sacrifice a Forest: Regenerate Uktabi Wildcats.

: Add .

Trample, haste

Other creatures you control get +1/+1 and have trample and haste.

At the beginning of each player's upkeep, that player may pay 2 life. If they don't, they return a permanent they control to its owner's hand.

Chroma — Umbra Stalker's power and toughness are each equal to the number of black mana symbols in the mana costs of cards in your graveyard.

Equipped creature has ", : This creature gets +2/+2 until end of turn." ( is the untap symbol.)

Equip

Enchant creature

Enchanted creature loses all abilities and is a Toy artifact creature with base power and toughness 0/2 in addition to its other types.

As long as enchanted creature is face down, it can't be turned face up.

Morph (You may cast this card face down as a 2/2 creature for . Turn it face up any time for its morph cost.)

Whenever Unblinking Bleb or another permanent is turned face up, you may scry 2. (Look at the top two cards of your library, then put any number of them on the bottom and the rest on top in any order.)

Whenever you cast a permanent spell with a mana cost that contains , double the value of X.

Whenever you cast an instant or sorcery spell or activate an ability, if that spell's mana cost or that ability's activation cost contains , copy that spell or ability. You may choose new targets for the copy.

Return target creature card from your graveyard to the battlefield with a lifelink counter on it.

Unbreathing Horde enters with a +1/+1 counter on it for each other Zombie you control and each Zombie card in your graveyard.

If Unbreathing Horde would be dealt damage, prevent that damage and remove a +1/+1 counter from it.

Target player discards two cards.

Cycling (, Discard this card: Draw a card.)

Protection from white (This creature can't be blocked, targeted, dealt damage, enchanted, or equipped by anything white.)

Unchained Berserker gets +2/+0 as long as it's attacking.

Flash (You may cast this spell any time you could cast an instant.)

Enchant creature

Enchanted creature gets +2/+2 and attacks each combat if able.

Target opponent sacrifices a creature. If you control a creature with power 4 or greater, you gain 4 life.

Deathtouch

Each nonland card in your graveyard has escape. The escape cost is equal to the card's mana cost plus exile three other cards from your graveyard. (You may cast cards from your graveyard for their escape cost.)

At the beginning of the end step, sacrifice Underworld Breach.

When Undying Beast dies, put it on top of its owner's library.

Put target nonland permanent into its owner's library just beneath the top X cards of that library.

Devoid (This card has no color.)

Draw three cards and create a 0/1 colorless Eldrazi Spawn creature token with "Sacrifice this creature: Add ."

2 — : Add . Spend this mana only to cast creature spells.

4 — At the beginning of combat on your turn, target noncreature artifact you control becomes a 4/4 artifact creature with flying until end of turn.

2 — 2/4

5 — 8/6

At the beginning of your end step, draw a card. If you control a Demon, each opponent loses 2 life and you gain 2 life. Otherwise, you lose 2 life.

(You may cast either half. That door unlocks on the battlefield. As a sorcery, you may pay the mana cost of a locked door to unlock it.)

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.

Whenever another creature you control dies, put a +1/+1 counter on Unruly Mob.

Pay 3 life: Put a +1/+1 counter on target creature.

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

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

When Unstable Glyphbridge enters, if you cast it, for each player, choose a creature with power 2 or less that player controls. Then destroy all creatures except creatures chosen this way.

Craft with artifact (, Exile this artifact, Exile another artifact you control or an artifact card from your graveyard: Return this card transformed under its owner's control. Craft only as a sorcery.)

Enchant creature

Enchanted creature gets +3/+3.

At the beginning of the upkeep of enchanted creature's controller, put a -1/-1 counter on that creature.

2 — : Switch this creature's power and toughness until end of turn.

4 — Whenever this creature attacks, it gets +5/+5 until end of turn.

2 — 3/2

3 — 2/7

Trample

Champion a Treefolk or Warrior (When this enters, sacrifice it unless you exile another Treefolk or Warrior you control. When this leaves the battlefield, that card returns to the battlefield.)

Whenever a creature you control becomes blocked, it gets +0/+5 until end of turn.

Deathtouch

Whenever Unstoppable Slasher deals combat damage to a player, they lose half their life, rounded up.

When Unstoppable Slasher dies, if it had no counters on it, return it to the battlefield tapped under its owner's control with two stun counters on it.

Unyaro Bee Sting deals 2 damage to any target.

When Up the Beanstalk enters and whenever you cast a spell with mana value 5 or greater, draw a card.

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.

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.

Vigilance

Enrage — Whenever Urban Daggertooth is dealt damage, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Enchant land

When Urban Utopia enters, draw a card.

Enchanted land has ": Add one mana of any color."

: Add .

: Target creature loses first strike or swampwalk until end of turn.

: Add , , or .

Target opponent sacrifices a creature for each creature put into your graveyard from the battlefield this turn.