Yveltal, the Promised End

Yveltal, the Promised End costs {1} less to cast
for each card type among cards in your graveyard.
When you cast Yveltal, you gain control of
target opponent during that player's next turn.
After that turn, that player takes an extra turn.
Flying, trample, protection from instants
Pokedex Entry: When this legendary Pokemon's
wings and tail feathers spread wide and glow red,
it absorbs the life force of living creatures.