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.

: Add one mana of any color.

, , Sacrifice Urn of Godfire: Destroy target creature or enchantment.

: Target creature gets +1/+1 until end of turn.

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.

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.

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

Boast — : Create a 1/1 white Human Warrior creature token. (Activate only if this creature attacked this turn and only once each turn.)

: Regenerate Uthden Troll.

When Utility Knife enters, attach it to target creature you control.

Equipped creature gets +1/+1.

Equip (: Attach to target creature you control. Equip only as a sorcery.)

Enchant Forest

As Utopia Sprawl enters, choose a color.

Whenever enchanted Forest is tapped for mana, its controller adds an additional one mana of the chosen color.

Enchant creature

Enchanted creature can't attack or block.

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

Flash

Enchant creature

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

: Exile enchanted creature.

Flying

Utvara Scalper attacks each combat if able.

: You may exile an instant or sorcery card from your hand and put three hone counters on it. It gains "At the beginning of your upkeep, if this card is exiled, remove a hone counter from it" and "When the last hone counter is removed from this card, if it's exiled, you may cast it. It costs less to cast this way."

Split second (As long as this spell is on the stack, players can't cast spells or activate abilities that aren't mana abilities.)

Choose any number of target creatures with equal toughness. Destroy the chosen creatures.

Whenever you commit a crime, put a +1/+1 counter on Vadmir, New Blood. This ability triggers only once each turn. (Targeting opponents, anything they control, and/or cards in their graveyards is a crime.)

As long as Vadmir has four or more +1/+1 counters on it, it has menace and lifelink.

Mutate (If you cast this spell for its mutate cost, put it over or under target non-Human creature you own. They mutate into the creature on top plus all abilities from under it.)

Flying, first strike

Whenever this creature mutates, you may cast target noncreature card with mana value 3 or less from your graveyard without paying its mana cost.

Flying

Whenever Vaevictis Asmadi, the Dire attacks, for each player, choose target permanent that player controls. Those players sacrifice those permanents. Each player who sacrificed a permanent this way reveals the top card of their library, then puts it onto the battlefield if it's a permanent card.

Put any number of cards from your hand on the bottom of your library, then draw that many cards plus one.

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

Landfall — Whenever a land you control enters, Valakut Predator gets +2/+2 until end of turn.

Valakut, the Molten Pinnacle enters tapped.

Whenever a Mountain you control enters, if you control at least five other Mountains, you may have Valakut, the Molten Pinnacle deal 3 damage to any target.

: Add .

Menace, lifelink

If a nontoken creature an opponent controls would die, exile it instead. When you do, you may pay . If you do, create a 1/1 black and green Pest creature token with "When this creature dies, you gain 1 life."

Renown 2 (When this creature deals combat damage to a player, if it isn't renowned, put two +1/+1 counters on it and it becomes renowned.)

Whenever a creature you control becomes renowned, draw a card.

Flying, lifelink

Ward—Sacrifice three nonland permanents.

If a card you didn't control would be put into an opponent's graveyard from anywhere, exile it instead.

During your turn, you may play cards exiled with Valgavoth. If you cast a spell this way, pay life equal to its mana value rather than pay its mana cost.

Hexproof

Valgavoth's Lair enters tapped. As it enters, choose a color.

: Add one mana of the chosen color.

This spell costs less to cast for each creature type among creatures you control. This effect can't reduce the amount of mana this spell costs by more than .

Changeling (This card is every creature type.)

Double strike

Target creature you control gets +2/+0 until end of turn. When that creature leaves the battlefield this turn, you get a boon with "When you cast your next creature spell, it perpetually gets +2/+0."

Draw a card.

Other Knights you control get +1/+1.

: Knights you control gain double strike until end of turn.

Other Soldiers you control get +1/+1.

, Exile Valiant Veteran from your graveyard: Put a +1/+1 counter on each Soldier you control.

If a source an opponent controls would deal damage to you or a permanent you control, prevent 1 of that damage.

Whenever you or another permanent you control becomes the target of a spell or ability an opponent controls, counter that spell or ability unless its controller pays .

Whenever a nontoken, non-Angel creature you control dies, return that card to the battlefield under its owner's control with a +1/+1 counter on it. It has flying and is an Angel in addition to its other types.