Flying, haste

Echo (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.)

Flying

, Sacrifice Uktabi Faerie: Destroy target artifact.

When Uktabi Orangutan enters, destroy target artifact.

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

When you cast this spell, exile two target permanents.

Indestructible

Whenever Ulamog, the Ceaseless Hunger attacks, defending player exiles the top twenty cards of their library.

When you cast this spell, destroy target permanent.

Indestructible

Annihilator 4 (Whenever this creature attacks, defending player sacrifices four permanents of their choice.)

When Ulamog, the Infinite Gyre is put into a graveyard from anywhere, its owner shuffles their graveyard into their library.

As Ulamog's Despoiler enters, you may put two cards your opponents own from exile into their owners' graveyards. If you do, Ulamog's Despoiler enters with four +1/+1 counters on it.

Devoid (This card has no color.)

Flash

Flying

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

Ulasht, the Hate Seed enters with a +1/+1 counter on it for each other red creature you control and a +1/+1 counter on it for each other green creature you control.

, Remove a +1/+1 counter from Ulasht: Choose one —

• Ulasht deals 1 damage to target creature.

• Create a 1/1 green Saproling creature token.

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.

Whenever this creature transforms into Ulrich, Uncontested Alpha, you may have it fight target non-Werewolf creature you don't control.

At the beginning of each upkeep, if a player cast two or more spells last turn, transform Ulrich, Uncontested Alpha.

Living metal (During your turn, this Vehicle is also a creature.)

Haste

Formidable — Whenever Ultra Magnus attacks, attacking creatures you control gain indestructible until end of turn. If those creatures have total power 8 or greater, convert Ultra Magnus.

Squad (As an additional cost to cast this spell, you may pay any number of times. When this creature enters, create that many tokens that are copies of it.)

Other creatures you control get +1/+1.

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

Defender

: Add .

: Transform Ulvenwald Captive.

Whenever a nontoken creature you control dies, investigate. (Create a Clue token. It's an artifact with ", Sacrifice this artifact: Draw a card.")

Whenever you sacrifice a Clue, create a 1/1 white Human Soldier creature token.

Whenever a creature you control with toughness 4 or greater dies, draw a card.

: Regenerate Ulvenwald Primordials.

At the beginning of each upkeep, if a player cast two or more spells last turn, transform Ulvenwald Primordials.

Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)

Flying

Whenever Umara Raptor or another Ally you control enters, you may put a +1/+1 counter on Umara Raptor.

Whenever you cast an instant, sorcery, or Wizard spell, Umara Wizard gains flying until end of turn.

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

Choose one —

• Target creature gets +2/+2 until end of turn.

• Target creature gets -1/-1 until end of turn.

• You gain 2 life.

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.

When Unassuming Sage enters, you may pay . If you do, create a Sorcerer Role token attached to it. (Enchanted creature gets +1/+1 and has "Whenever this creature attacks, scry 1.")

Choose one —

• Put a +1/+1 counter on each of up to two target creatures.

• Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Entwine (Choose both if you pay the entwine cost.)

Creatures you control gain indestructible until end of turn.

Addendum — If you cast this spell during your main phase, put a +1/+1 counter on each of those creatures and they gain vigilance until end of turn.

Return target creature card from your graveyard to the battlefield.

Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Target creature gets +1/+1 and gains double strike until end of turn. (It deals both first-strike and regular combat damage.)

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.

Target creature's owner puts it on their choice of the top or bottom of their library.

Surveil 1. (Look at the top card of your library. You may put it into your graveyard.)

Prevent all damage that would be dealt to Uncle Istvan by creatures.

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 creature gets +3/+3 and gains flying until end of turn.

Whenever a Zombie you control enters, you may pay . If you do, return Unconventional Tactics from your graveyard to your hand.

If a Zombie you control would deal combat damage to a player, instead that player mills that many cards.

Whenever a creature card is put into an opponent's graveyard from their library, exile that card and create a 2/2 black Zombie creature token.

When Undead Butler enters, mill three cards. (Put the top three cards of your library into your graveyard.)

When Undead Butler dies, you may exile it. When you do, return target creature card from your graveyard to your hand.

, Discard a card: Return Undead Gladiator from your graveyard to your hand. Activate only during your upkeep.

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

, : Exile target Skeleton, Vampire, or Zombie.

Zombie spells you cast cost less to cast.

Zombie creatures you control get +2/+1.

When Undercellar Sweep enters, you take the initiative.

Whenever you attack, if you or a player you're attacking has the initiative, you create two 1/1 white Soldier creature tokens that are tapped and attacking.

Target player loses 1 life, discards a card, then sacrifices a permanent of their choice.

Cipher (Then you may exile this spell card encoded on a creature you control. Whenever that creature deals combat damage to a player, its controller may cast a copy of the encoded card without paying its mana cost.)

Fear (This creature can't be blocked except by artifact creatures and/or black creatures.)

: Undercity Shade gets +1/+1 until end of turn.

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

You may have Undercover Operative enter as a copy of any creature on the battlefield, except it enters with a shield counter on it if you control that creature. (If it would be dealt damage or destroyed, remove a shield counter from it instead.)

CARDNAME enters the battlefield with ten eyestalk counters on it.

If CARDNAME would be dealt damage, remove that many eyestalk counters from it instead. If you can't, sacrifice it.

Whenever CARDNAME attacks, reveal cards from the top of your library until you reveal an instant, sorcery, or enchantment card with converted mana cost less than the number of eyestalk counters on CARDNAME. You may cast it without paying its mana cost. Shuffle your library.

: Add .

, , Exile Underdark Rift: Roll a d10. Put target artifact, creature, or planeswalker into its owner's library just beneath the top X cards of that library, where X is the result. Activate only as a sorcery.

(: Add or .)

Undergrowth Scavenger enters with a number of +1/+1 counters on it equal to the number of creature cards in all graveyards.