Zombie

Menace (This creature can't be blocked except by two or more creatures.)

Aetherdrift Commander Tokens

Aetherdrift Tokens

Decayed (This creature can't block. When it attacks, sacrifice it at end of combat.)

Innistrad Remastered Tokens

Corpse Cobble

As an additional cost to cast this spell, sacrifice any number of creatures.
Create an X/X blue and black Zombie creature token with menace, where X is the total power of the sacrificed creatures.
Flashback {3}{U}{B} (You may cast this card from your graveyard for its flashback cost and any additional costs. Then exile it.)