Grinning Ignus, and Runaway Steam-Kin

Prerequisites

• Grinning Ignus in hand
• Runaway Steam-Kin on the battlefield
• plus an additional amount of available equal to three minus the number of +1/+1 counters on Runaway Steam-Kin available

Steps

1. If Runaway Steam-Kin has three or more +1/+1 counters on it, activate it by removing three +1/+1 counters from it, adding
2. Cast Grinning Ignus by paying
3. Runaway Steam-Kin triggers, putting a +1/+1 counter on it
4. Activate Grinning Ignus by paying and returning it from the battlefield to your hand, adding
5. Repeat

Results

• Infinite ETB
• Infinite LTB
• Infinite storm count