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

Vigilance, trample

If Untamed Kavu was kicked, it enters with three +1/+1 counters on it.

Trample

Other Wolves and Werewolves you control have trample.

: Put a +1/+1 counter on target creature.

Nightbound (If a player casts at least two spells during their own turn, it becomes day next turn.)

Trample

Whenever Untethered Express attacks, put a +1/+1 counter on it.

Crew 1 (Tap any number of creatures you control with total power 1 or more: This Vehicle becomes an artifact creature until end of turn.)

Menace (This creature can't be blocked except by two or more creatures.)

, Exile Unwilling Ingredient from your graveyard: You draw a card and you lose 1 life.

Counter target noncreature spell. Untap up to three lands.

: Regenerate Unworthy Dead.

Flying

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

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

Disguise (You may cast this card face down for as a 2/2 creature with ward . Turn it face up any time for its disguise cost.)

When Unyielding Gatekeeper is turned face up, exile another target nonland permanent. If you controlled it, return it to the battlefield tapped. Otherwise, its controller creates a 2/2 white and blue Detective creature token.

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

Flying

Creatures played by your opponents enter tapped.

Put target land on top of its owner's library.

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.

, 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.

Whenever Urborg Scavengers enters or attacks, exile target card from a graveyard. Put a +1/+1 counter on Urborg Scavengers.

Urborg Scavengers has flying as long as a card exiled with it has flying. The same is true for first strike, double strike, deathtouch, haste, hexproof, indestructible, lifelink, menace, reach, trample, and vigilance.

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.

: Add .

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.

When Uro enters, sacrifice it unless it escaped.

Whenever Uro enters or attacks, you gain 3 life and draw a card, then you may put a land card from your hand onto the battlefield.

Escape—, Exile five other cards from your graveyard. (You may cast this card from your graveyard for its escape cost.)

: Ursine Champion gets +3/+3 and becomes a Bear Berserker until end of turn. Activate only once each turn.

Whenever you cast a Myr spell, create a 1/1 colorless Myr artifact creature token.

At the beginning of combat on your turn, untap each Myr you control.

, : Put three +1/+1 counters on each Myr you control. Activate only during your turn.

Read ahead (Choose a chapter and start with that many lore counters. Add one after your draw step. Skipped chapters don't trigger. Sacrifice after III.)

I — Scry 4, then you may reveal the top card of your library. If a planeswalker card is revealed this way, put it into your hand.

II — You may put a planeswalker card with mana value 6 or less from your hand onto the battlefield.

III — You may activate the loyalty abilities of planeswalkers you control twice this turn rather than only once.

Affinity for artifact creatures (This spell costs less to cast for each artifact creature you control.)

Artifact creatures you control have menace.

At the beginning of your end step, create a 0/0 colorless Construct artifact creature token with "This creature gets +1/+1 for each artifact you control."

Artifact, instant, and sorcery spells you cast cost less to cast.

: If you both own and control Urza, Lord Protector and an artifact named The Mightstone and Weakstone, exile them, then meld them into Urza, Planeswalker. Activate only as a sorcery.

Vigilance

, : Draw a card, then discard a card.

Whenever you discard one or more artifact cards, create a tapped Powerstone token. This ability triggers only once each turn. (The token is an artifact with ": Add . This mana can't be spent to cast a nonartifact spell.")

If a source would deal damage to you, prevent 1 of that damage.

, Sacrifice Urza's Bauble: Look at a card at random in target player's hand. You draw a card at the beginning of the next turn's upkeep.

: Add .

, , Sacrifice Urza's Cave: Search your library for a land card, put it onto the battlefield tapped, then shuffle.

Choose two —

• Creatures you don't control get -2/-0 until end of turn.

• Create a tapped Powerstone token.

• Create a tapped 0/0 colorless Construct artifact creature token with "This creature gets +1/+1 for each artifact you control."

• Scry 1, then draw a card.

2 — Exalted, exalted (Whenever a creature you control attacks alone, it gets +1/+1 until end of turn for each instance of exalted among permanents you control.)

3 — Shadow (This creature can block or be blocked only by creatures with shadow.)

2 — 1/5

4 — 7/4

: Add .

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

: Add .

: Add . Activate only once and only if you control an Urza's Mine, an Urza's Power-Plant, and an Urza's Tower.

, : Head to AskUrza.com and click Urza's Fun House.

, Discard a card: Search your library for a card that shares a complete word in its name with the discarded card, reveal it, put it into your hand, then shuffle.

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

: Add . If you control an Urza's Mine and an Urza's Tower, add instead.

Choose one —

• Counter target spell.

• Tap up to two target creatures.

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)

I — Urza's Saga gains ": Add ."

II — Urza's Saga gains ", : Create a 0/0 colorless Construct artifact creature token with ‘This creature gets +1/+1 for each artifact you control.'"

III — Search your library for an artifact card with mana cost or , put it onto the battlefield, then shuffle.

, , Exile Urza's Sylex: Each player chooses six lands they control. Destroy all other permanents. Activate only as a sorcery.

When Urza's Sylex is put into exile from the battlefield, you may pay . If you do, search your library for a planeswalker card, reveal it, put it into your hand, then shuffle.