Sorcery
Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.)
Exile all creatures except those that share a creature type with a creature that convoked this spell, all artifacts, and all enchantments.
Exile all creatures except those that share a creature type with a creature that convoked this spell, all artifacts, and all enchantments.
