Serra Angel

Flying
Vigilance (Attacking doesn't cause this creature to tap.)

Unsummon

Return target creature to its owner's hand.

Boomerang

Return target permanent to its owner's hand.

Counterspell

Disenchant

Force Spike

Counter target spell unless its controller pays {1}.

Armageddon

Power Sink

Counter target spell unless its controller pays {X}. If that player doesn't, they tap all lands with mana abilities they control and lose all unspent mana.

Island

Psionic Blast

Psionic Blast deals 4 damage to any target and 2 damage to you.

Plains

Flash Counter

Mox Sapphire

Ancestral Recall

Swords to Plowshares

Exile target creature. Its controller gains life equal to its power.

Time Walk

Mox Pearl

Mana Drain

Counter target spell. At the beginning of your next main phase, add an amount of {C} equal to that spell's mana value.

Tundra

Mishra's Factory

{T}: Add {C}.
{1}: Mishra's Factory becomes a 2/2 Assembly-Worker artifact creature until end of turn. It's still a land.
{T}: Target Assembly-Worker creature gets +1/+1 until end of turn.

Serendib Efreet

Flying
At the beginning of your upkeep, Serendib Efreet deals 1 damage to you.

Black Lotus

{T}, Sacrifice Black Lotus: Add three mana of any one color.