Arcane Adaptation + Metalwork Colossus + Shilgengar, Sire of Famine

WUB identity

Commander legal

The 3 combo pieces

What must be in place

The total mana value of noncreature artifacts you control is at least 11.
Arcane Adaptation on the battlefield with "Angel" chosen.

How to execute it

  1. Cast Metalwork Colossus by paying {0}.
  2. Activate Shilgengar by sacrificing Metalwork Colossus, creating a number of Blood tokens equal to Metalwork Colossus's toughness.
  3. Activate Metalwork Colossus by sacrificing two Bloods, returning it from your graveyard to your hand.
  4. Repeat.

What the combo produces