Yukon, Prophet of Worlds

+1: Until your next turn, whenever a nontoken creature you control dies, create a 1/1 green Saproling creature token.
-4: Put the top three cards of your library into your graveyard, then you may return a creature or land card from your graveyard to the battlefield.
-10: Take an extra turn after this one. You get an emblem with "You may cast nonland permanent cards from your graveyard."