Nobunaga, Oda Clan Leader

+2: Each player sacrifices two creatures. You lose 2 life.
-4: Return all Samurai cards from your graveyard to the battlefield tapped. Add one loyalty counter to each other planeswalker you control.
-10: You get an emblem with "Samurai you control gain indestructible and Bushido X, where X is the number of attacking Samurai you control".