At the beginning of your upkeep, return target land card from your graveyard to the battlefield tapped.

Undergrowth Stadium enters tapped unless you have two or more opponents.

: Add or .

Underworld Charger can't block.

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

Underworld Charger escapes with two +1/+1 counters on it.

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

Exile cards from the top of your library until you exile a nonland card. Undying Flames deals damage to any target equal to that card's mana value.

Epic (For the rest of the game, you can't cast spells. At the beginning of each of your upkeeps, copy this spell except for its epic ability. You may choose a new target for the copy.)

Enchant creature

Enchanted creature gets +2/+2 and can't block.

When Undying Rage is put into a graveyard from the battlefield, return Undying Rage to its owner's hand.

Flying

Sphinx spells you cast cost less to cast.

Whenever Unesh, Criosphinx Sovereign or another Sphinx you control enters, reveal the top four cards of your library. An opponent separates those cards into two piles. Put one pile into your hand and the other into your graveyard.

Enchant creature

Enchanted creature gets +2/+2 and has trample and lifelink. (Damage dealt by a creature with lifelink also causes its controller to gain that much life.)

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

Whenever Unforgiving One attacks, return target creature card with mana value X or less from your graveyard to the battlefield, where X is the number of modified creatures you control. (Equipment, Auras you control, and counters are modifications.)

Target player discards a card.

Draw a card.

: Add .

, : Put target Zombie card from your graveyard on top of your library.

Enchant creature

Enchanted creature gets +2/+1.

Skulk (This creature can't be blocked by creatures with greater power.)

When Uninvited Geist deals combat damage to a player, transform it.

Search your library for a Doctor card, reveal it, put it into your hand, then shuffle.

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for or one mana of that creature's color.)

Return up to two target creature cards from your graveyard to your hand.

Choose a card name. Search target opponent's graveyard, hand, and library for up to four cards with that name and exile them. That player shuffles, then draws a card for each card exiled from their hand this way.

At the beginning of each combat, double the power and toughness of each creature you control until end of turn.

Creatures your opponents control get -1/-0 until end of turn if was spent to cast this spell, and creatures you control get +1/+0 until end of turn if was spent to cast this spell. (Do both if was spent.)

: Target attacking Zombie gains lifelink until end of turn.

: Target attacking Zombie gains deathtouch until end of turn.

When Unscrupulous Agent enters, target opponent exiles a card from their hand.

When Unsettling Twins enters, manifest dread. (Look at the top two cards of your library. Put one onto the battlefield face down as a 2/2 creature and the other into your graveyard. Turn it face up any time for its mana cost if it's a creature card.)

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.)

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

Target creature gets +X/+X 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.

Vigilance

Eerie — Whenever an enchantment you control enters and whenever you fully unlock a Room, put a possession counter on Unwilling Vessel.

When Unwilling Vessel dies, create an X/X blue Spirit creature token with flying, where X is the number of counters on Unwilling Vessel.

Unyaro Bee Sting 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.

Upriser Renegade gets +2/+0 for each other modified creature you control. (Equipment, Auras you control, and counters are modifications.)

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.)

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.

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

As Urborg Lhurgoyf enters, mill three cards for each time it was kicked.

Urborg Lhurgoyf's power is equal to the number of creature cards in your graveyard and its toughness is equal to that number plus 1.

, Sacrifice Urborg Panther: Destroy target creature blocking Urborg Panther.

Sacrifice a creature named Feral Shadow, a creature named Breathstealer, and Urborg Panther: Search your library for a card named Spirit of the Night, put that card onto the battlefield, then shuffle.

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

Return target creature card from your graveyard to your hand. You gain 2 life. If this spell was kicked, return another target permanent card from your graveyard to your hand.

Other black creatures get -1/-1.

At the beginning of each player's upkeep, if that player controls a nonblack, nonland permanent, Urborg Stalker deals 1 damage to that player.

Return up to two target creature cards from your graveyard to your hand.

Draw a card.

Each land is a Swamp in addition to its other land types.

Target creature gets -3/-3 until end of turn. You may tap any number of untapped Vampire creatures you control. If you do, put a +1/+1 counter on each of those Vampires.

As an additional cost to cast this spell, collect evidence X, where X is the total mana value of the permanents this spell targets.

Destroy up to one target artifact, up to one target creature, up to one target enchantment, and up to one target planeswalker.

Flying

Whenever Urgoros, the Empty One deals combat damage to a player, that player discards a card at random. If the player can't, you draw a card.

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.

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.")

: 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.)

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

(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.

Flash

Enchant creature

Enchanted creature loses all abilities and has base power and toughness 1/1.

: Exile enchanted creature.

If it's neither day nor night, it becomes day as Vadrik, Astral Archmage enters.

Instant and sorcery spells you cast cost less to cast, where X is Vadrik's power.

Whenever day becomes night or night becomes day, put a +1/+1 counter on Vadrik.