Urza's Miter
Whenever an artifact you control is put into a graveyard from the battlefield, if it wasn't sacrificed, you may pay 3. If you do, draw a card.
$ 000
Urza's Mine (Tower)
: Add to your mana pool. If you control an Urza's Power-Plant and an Urza's Tower, add to your mana pool instead.
Urza's Mine (Mouth)
Urza's Mine
Urza's Incubator
Casting Cost:
As Urza's Incubator enters the battlefield, choose a creature type.
Creature spells of the chosen type cost less to cast.
Urza's Avenger
: 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.)
Uril, the Miststalker
Uril, the Miststalker can't be the target of spells or abilities your opponents control.
Uril gets +2/+2 for each Aura attached to it.
Urborg, Tomb of Yawgmoth
Each land is a Swamp in addition to its other land types.
Urborg
: Add to your mana pool.
: Target creature loses first strike or swampwalk until end of turn.
Urabrask the Hidden
Creatures you control have haste. Creatures your opponents control enter the battlefield tapped.
Creatures you control have haste.
Creatures your opponents control enter the battlefield tapped.
Ur-Drago
First strike
Creatures with swampwalk can be blocked as though they didn't have swampwalk.
Upheaval
Return all permanents to their owners' hands.