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.

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

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

Whenever another creature enters, Unstable Shapeshifter becomes a copy of that creature, except it has this ability.

Return target creature to its owner's hand.

Target creature gets +X/+X until end of turn.

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

: Regenerate Unworthy Dead.

Flying

: Unyaro Bees gets +1/+1 until end of turn.

, Sacrifice Unyaro Bees: It deals 2 damage to any target.

Target creature gains flying until end of turn.

Draw a card at the beginning of the next turn's upkeep.

Creatures played by your opponents enter tapped.

Players don't lose unspent mana as steps and phases end.

Enchant land

Enchanted land has "Untap this land during each other player's untap step."

When Urbis Protector enters, create a 4/4 white Angel creature token with flying.

Flying

Urborg Drake attacks each combat if able.

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

When Urborg Emissary enters, if it was kicked, return target permanent to its owner's hand.

, Sacrifice Urborg Mindsucker: Target opponent discards a card at random. Activate only as a sorcery.

Urborg Phantom can't block.

: Prevent all combat damage that would be dealt to and dealt by Urborg Phantom this turn.

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

: Regenerate Urborg Skeleton.

If Urborg Skeleton was kicked, it enters with a +1/+1 counter on it.

, , Discard a card: Each other player loses 2 life. You gain life equal to the life lost this way.

Urborg Volcano enters tapped.

: Add or .

First strike

Creatures with swampwalk can be blocked as though they didn't have swampwalk.

Destroy target Spirit or enchantment.

Hexproof (This creature can't be the target of spells or abilities your opponents control.)

Uril, the Miststalker gets +2/+2 for each Aura attached to it.

Ursine Fylgja enters with four healing counters on it.

Remove a healing counter from Ursine Fylgja: Prevent the next 1 damage that would be dealt to Ursine Fylgja this turn.

: Put a healing counter on Ursine Fylgja.

: Urza's Avenger gets -1/-1 and gains your choice of banding, flying, first strike, or trample until end of turn. (Any creatures with banding, and up to one without, can attack in a band. Bands are blocked as a group. If any creatures with banding you control are blocking or being blocked by a creature, you divide that creature's combat damage, not its controller, among any of the creatures it's being blocked by or is blocking.)

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.)

: Draw a card.

Urza's Contact Lenses enters tapped.

Urza's Contact Lenses doesn't untap during your untap step.

As long as Urza's Contact Lenses is untapped, all players play with their hands revealed.

Clap your hands twice: You may tap or untap Urza's Contact Lenses.

: Add .

, : Create a 2/2 colorless Assembly-Worker artifact creature token.

Each player draws two cards, then discards three cards, then loses 4 life.

As Urza's Incubator enters, choose a creature type.

Creature spells of the chosen type cost less to cast.

Whenever an artifact you control is put into a graveyard from the battlefield, if it wasn't sacrificed, you may pay . If you do, draw a card.

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

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.

: Add . If you control an Urza's Mine and an Urza's Power-Plant, add instead.

At the beginning of your upkeep, put a spore counter on Utopia Mycon.

Remove three spore counters from Utopia Mycon: Create a 1/1 green Saproling creature token.

Sacrifice a Saproling: Add one mana of any color.

: Add one mana of any color.

Flying

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

Flying

, Return two lands you control to their owner's hand: Copy target instant or sorcery spell. You may choose new targets for the copy.

Flying

At the beginning of your upkeep, sacrifice Vaevictis Asmadi unless you pay .

: Vaevictis Asmadi gets +1/+0 until end of turn.

: Vaevictis Asmadi gets +1/+0 until end of turn.

: Vaevictis Asmadi gets +1/+0 until end of turn.

Whenever Valakut Fireboar attacks, switch its power and toughness until end of turn.

Protection from black

Mountaincycling , forestcycling (, Discard this card: Search your library for a Mountain or Forest card, reveal it, put it into your hand, then shuffle.)

First strike

As long as Valor is in your graveyard and you control a Plains, creatures you control have first strike.

White creatures get +2/+0 until end of turn.

Flying (This creature can't be blocked except by creatures with flying or reach.)

: Vampire Bats gets +1/+0 until end of turn. Activate no more than twice each turn.

Discard a creature card: Vampire Hounds gets +2/+2 until end of turn.

At the beginning of your upkeep, you lose 1 life unless an opponent has 10 or less life.

Play with the top card of your library revealed.

As long as the top card of your library is black, Vampire Nocturnus and other Vampire creatures you control get +2/+1 and have flying.

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

Flying

Whenever a creature dealt damage by Vampiric Dragon this turn dies, put a +1/+1 counter on Vampiric Dragon.

: Vampiric Dragon deals 1 damage to target creature.

Vampiric Feast deals 4 damage to any target and you gain 4 life.