mtg.wtf

Auras attached to permanents you control have umbra armor.

Chroma — Umbra Stalker's power and toughness are each equal to the number of black mana symbols in the mana costs of cards in your graveyard.

Equipped creature has "{3}, {Q}: This creature gets +2/+2 until end of turn."
Equip {0}

Umbris, Fear Manifest gets +1/+1 for each card your opponents own in exile.
Whenever Umbris or another Nightmare or Horror you control enters, target opponent exiles cards from the top of their library until they exile a land card.

Whenever equipped creature deals combat damage, put two charge counters on Umezawa's Jitte.
Remove a charge counter from Umezawa's Jitte: Choose one —
• Equipped creature gets +2/+2 until end of turn.
• Target creature gets -1/-1 until end of turn.
• You gain 2 life.
Equip {2}

Companion — Each nonland card in your starting deck shares a card type.
As Umori, the Collector enters, choose a card type.
Spells you cast of the chosen type cost {1} less to cast.

Enchant creature
Enchanted creature loses all abilities and is a Toy artifact creature with base power and toughness 0/2 in addition to its other types.
As long as enchanted creature is face down, it can't be turned face up.

{TK}{TK} — When this permanent dies, return target noncreature, nonland card from your graveyard to your hand.
{TK}{TK}{TK}{TK} — Whenever this creature deals combat damage to a player, that player mills twice that many cards.
{TK}{TK} — 2/3
{TK}{TK}{TK} — 7/2

When Unassuming Sage enters, you may pay {2}. If you do, create a Sorcerer Role token attached to it.

{T}: Untap another target permanent.

Morph {2}{U}
Whenever Unblinking Bleb or another permanent is turned face up, you may scry 2.

{T}: Add {U}. Spend this mana only to pay a disturb cost or cast an instant or sorcery spell.

Whenever you cast a permanent spell with a mana cost that contains {X}, double the value of X.
Whenever you cast an instant or sorcery spell or activate an ability, if that spell's mana cost or that ability's activation cost contains {X}, copy that spell or ability. You may choose new targets for the copy.

Unbreathing Horde enters with a +1/+1 counter on it for each other Zombie you control and each Zombie card in your graveyard.
If Unbreathing Horde would be dealt damage, prevent that damage and remove a +1/+1 counter from it.

Enchant land
Enchanted land has "{T}: Add one mana of any color."
Sacrifice Unbridled Growth: Draw a card.

Protection from white
Unchained Berserker gets +2/+0 as long as it's attacking.

Uncharted Haven enters tapped. As it enters, choose a color.
{T}: Add one mana of the chosen color.

Nontoken creatures you control have riot.
If a creature you control with a +1/+1 counter on it would deal damage to a permanent or player, it deals double that damage instead.

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}

Flying
When Unclaimed Bird enters the battlefield, if you're on the Mirran team, choose any number of permanents, then remove from each a counter of each kind already there. If you're on the Phyrexian team, proliferate.

If you're on the Mirran team, Unclaimed Cat has lifelink.
If you're on the Phyrexian team, Unclaimed Cat has Toxic 1. (Players dealt combat damage by this creature also get a poison counter.)

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.)

As Unclaimed Territory enters, choose a creature type.
{T}: Add {C}.
{T}: Add one mana of any color. Spend this mana only to cast a creature spell of the chosen type.

Prevent all damage that would be dealt to Uncle Istvan by creatures.

Flash
Enchant creature
Enchanted creature gets +2/+2 and attacks each combat if able.