Niara, Deadlord of Elves

Zombies you control cost {1} less to cast
Elves you control cost {1} less to cast
Zombies you control get +1/+1
Elves you control get +1/+1
Whenever you cast a Zombie or an Elf, you may exile target creature from your graveyard, if you do create a token thats a copy of it except its a Zombie Elf in addition to its other types.