Alexa, Caller of Herds

Ward {2}
Other non-human, non-elf creatures you control gain haste
Whenever you cast a creature exile the top card of your library. You may play that card till end of turn, if its a non-human, non-elf creature that doesn't share a creature type with the cast creature put it on the battlefield.
Partner with Asmodeus, Bane of Mice