mtg.wtf

{T}: Untap another target permanent.

If you're on the Mirran team, Unclaimed Battle Axe costs {2} more to cast and has For Mirrodin!
If you're on the Phyrexian team, Unclaimed Battle Axe has Living Weapon.
Equipped creature gets +2/+1 and has trample.
Equip {4}{R}

If you're on the Mirran team, this card costs {1} less to cast.
If you're on the Phyrexian team, the colored mana symbols in Unclaimed Tanadon's mana cost are Phyrexian mana. (You can pay them either with {G} or 2 life.)

Other blue creatures you control have "Whenever this creature becomes tapped, draw a card, then discard a card."
Other artifact creatures you control get +1/+1.
{U/P}: Until end of turn, target creature you control becomes a blue artifact in addition to its other colors and types. Activate only as a sorcery.

{T}: Create a Treasure token. Activate only if a creature died this turn.

{3}, {T}, Tap an untapped creature you control: Unerring Sling deals damage equal to the tapped creature's power to target attacking or blocking creature with flying.

Flying
Sphinx spells you cast cost {2} 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.

First strike, haste
Equipped creature has first strike and haste.
Equip {1}
Crew 1

Flying
When Unidentified Hovership enters, exile up to one target creature with toughness 5 or less.
When Unidentified Hovership leaves the battlefield, the exiled card's owner manifests dread.
Crew 1

Changeling

{7}, {T}, Sacrifice Universal Solvent: Destroy target permanent.

{T}: Exile up to two target cards from a single graveyard.
Unlicensed Hearse's power and toughness are each equal to the number of cards exiled with it.
Crew 2

Defender
{T}: Unruly Catapult deals 1 damage to each opponent.
Whenever you cast an instant or sorcery spell, untap Unruly Catapult.

Equipped creature gets +3/+3 and has first strike.
Whenever a creature dealt damage by equipped creature this turn dies, you may exile that card. If you do, create a 2/2 black Zombie creature token.
Equip {2}

When Unstable Amulet enters, you get {E}{E}.
Whenever you cast a spell from anywhere other than your hand, Unstable Amulet deals 1 damage to each opponent.
{T}, Pay {E}{E}: Exile the top card of your library. You may play it until you exile another card with Unstable Amulet.

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 {3}{W}{W}

{T}: Add {C}.
{7}, {T}, Sacrifice Unstable Obelisk: Destroy target permanent.

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

Untaidake, the Cloud Keeper enters tapped.
{T}, Pay 2 life: Add {C}{C}. Spend this mana only to cast legendary spells.

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

Untap all artifacts you control during each other player's untap step.

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

{T}: Add {C}{C}.

First strike
Whenever you cast an instant or sorcery spell, Urabrask deals 1 damage to target opponent. Add {R}.
{R}: 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.

Creatures you control have haste.
Creatures your opponents control enter tapped.