Crackdown Construct + Cryptolith Rite + Simic Ragworm
GU identity
Commander legal
The 3 combo pieces
What must be in place
Simic Ragworm does not have summoning sickness.
How to execute it
- Activate Simic Ragworm by tapping it, adding {U}.
- Activate Simic Ragworm by paying {U}.
- Crackdown Construct triggers, giving itself +1/+1 until end of turn.
- Resolve the Simic Ragworm ability, untapping it.
- Repeat.
What the combo produces
- Infinitely large creature until end of turn