Cryptolith Rite + Horseshoe Crab + Mesmeric Orb
GU identity
Commander legal
The 3 combo pieces
What must be in place
Horseshoe Crab does not have summoning sickness.
How to execute it
- Activate Horseshoe Crab by tapping it, adding {U}.
- Activate Horseshoe Crab by paying {U}, untapping Horseshoe Crab.
- Mesmeric Orb triggers, causing you to mill a card.
- Repeat.
What the combo produces
- Infinite self-mill