Clever Impersonator

You may have this creature enter as a copy of any nonland permanent on the battlefield.

Mirrormade

You may have this enchantment enter as a copy of any artifact or enchantment on the battlefield.

Darksteel Mutation

Enchant creature
Enchanted creature is an Insect artifact creature with base power and toughness 0/1 and has indestructible, and it loses all other abilities, card types, and creature types.

Stormscape Familiar

Flying
White spells and black spells you cast cost {1} less to cast.

Ghostly Prison

Creatures can't attack you unless their controller pays {2} for each creature they control that's attacking you.

Vindicate

Aura of Silence

Artifact and enchantment spells your opponents cast cost {2} more to cast.
Sacrifice this enchantment: Destroy target artifact or enchantment.

Wrath of God

Destroy all creatures. They can't be regenerated.

Imprisoned in the Moon

Enchant creature, land, or planeswalker
Enchanted permanent is a colorless land with "{T}: Add {C}" and loses all other card types and abilities.