Yoda, Jedi grandmaster

0: Add green to your mana pool. Proliforate, then Proliforate again.
-1: Yoda, Jedi grandmaster becomes a 4/5 creature with haste, indestructible and hexproof until the end of your turn.
-12: you get an emblem with "whenever one of your creatures dies and it has no force counters on it, it comes back with 1 force counter on it.