OG Megatron

0: You get an emblem with "Whenever a creature with power 2 or less enters the battlefield, put a loyalty counter on OG Megatron."
-3: Destroy target creature. You may put the top card of your library into the graveyard. If it's a creature card, return it to the battlefield.
-6: Destroy all creatures. Exile OG Megatron. He gains suspend - 6.