Ashnod's Altar + Eternal Scourge + Timothar, Baron of Bats + Xenograft

UB identity

Commander legal

The 4 combo pieces

What must be in place

"Vampire" chosen with Xenograft.

How to execute it

  1. Activate Ashnod's Altar by sacrificing Eternal Scourge, adding {C}{C}.
  2. When Eternal Scourge dies as a Vampire due to Xenograft, Timothar triggers, causing you to pay {1} and exile Eternal Scourge to create a 1/1 Bat creature token.
  3. Activate Ashnod's Altar by sacrificing the Bat, adding {C}{C}.
  4. Cast Eternal Scourge from exile by paying {3}.
  5. Repeat.

What the combo produces