However, support for this theme is disappointingly light at common: There are no black or green commons that directly care about the graveyard
Bolt Hound comes out of the gate swinging, and buffs the team a bit while its at it
Having a consistent way to not only create a second combat phase but also untap all the creatures you control for a measly four mana is a phenomenal pairing, especially when used as a Commander to bring her back into the fight after being targetted
Thornmantle has great versatility and can even destroy indestructible creatures like Stuffy Doll with its -X/-X ability
Spacegodzilla, on the other hand, is a creature with a high cost and a middling cycling ability stapled onto it
For example, Sarkhan, the Dragonspeakers first loyalty ability turns it into a dragon until the end of the turn