Cloudstone Curio + Krenko, Mob Boss + Mirran Spy + Ornithopter

UR identity

Commander legal

The 4 combo pieces

What must be in place

Krenko does not have summoning sickness.

How to execute it

  1. Activate Krenko by tapping it, creating at least one 1/1 Goblin creature token.
  2. When the Goblin(s) enter the battlefield, Cloudstone Curio triggers that many times.
  3. Resolve the first trigger, returning Ornithopter to your hand from the battlefield.
  4. Resolve all remaining triggers, choosing to return nothing to your hand.
  5. Cast Ornithopter by paying {0}.
  6. Mirran Spy triggers, untapping Krenko.
  7. Repeat.

What the combo produces