Ballynock Trapper + Crystalline Crawler + Pemmin's Aura + Solitary Sanctuary

WU identity

Commander legal

The 4 combo pieces

What must be in place

Ballynock Trapper does not have summoning sickness.
Pemmin's Aura attached to Ballynock Trapper.
An opponent controls an untapped creature.

How to execute it

  1. Activate Ballynock Trapper by tapping it, tapping a creature an opponent controls.
  2. Solitary Sactuary triggers, putting a +1/+1 counter on Crystalline Crawler.
  3. Activate Crystalline Crawler's first ability by removing a +1/+1 counter from it, adding {U}.
  4. Activate Pemmin's Aura's first ability by paying {U}, untapping Ballynock Trapper.
  5. Repeat.
  6. You may also repeat this loop during each turn.

What the combo produces