Accomplished Alchemist + Marvin, Murderous Mimic + Simic Ragworm

GU identity

Commander legal

The 3 combo pieces

• Accomplished Alchemist
• Marvin, Murderous Mimic
• Simic Ragworm

What must be in place

You have gained at least 2 life this turn.
Marvin does not have summoning sickness.

How to execute it

1. Activate Marvin using Accomplished Alchemist's ability by tapping it, adding at least {U}{U}.
2. Activate Marvin using Simic Ragworm's ability by paying {U}, untapping it.
3. Repeat.

What the combo produces

• Infinite colored mana