Body Thief — When you cast this spell, you may exile a creature you control and put a takeover counter on it. You may have The Master, Formed Anew enter the battlefield as a copy of a creature card in exile with a takeover counter on it.

{T}: Add {C}{C}.

Flying Spear of the Void Dragon — Whenever Shard of the Void Dragon attacks, each opponent sacrifices a nonland permanent. Matter Absorption — Whenever an artifact is put into a graveyard from the battlefield or is put into exile from the battlefield, put two +1/+1 counters on Shard of the Void Dragon.

Until end of turn, target creature you control gains "When this creature dies, return it to the battlefield tapped under its owner's control, then create a Wicked Role token attached to it." (Enchanted creature gets +1/+1. When this Aura is put into a graveyard, each opponent loses 1 life.)

{T}: Add one mana of any color in your commander's color identity.

Exile target creature. Return it to the battlefield under its owner's control at the beginning of the next end step. Cipher (Then you may exile this spell card encoded on a creature you control. Whenever that creature deals combat damage to a player, its controller may cast a copy of the encoded card without paying its mana cost.)