Squee, the Immortal, Skyfire Phoenix, Runaway Steam-Kin, and Phyrexian Altar

Prerequisites

• Squee, the Immortal on the battlefield
• Skyfire Phoenix on the battlefield
• Runaway Steam-Kin on the battlefield
• Phyrexian Altar on the battlefield

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. Activate Phyrexian Altar by sacrificing Squee and Skyfire Phoenix, adding
3. Cast Squee from your graveyard by paying
4. Skyfire Phoenix and Runaway Steam-Kin trigger
5. Resolve the Skyfire Phoenix trigger, returning it from your graveyard to the battlefield
6. Resolve the Runaway Steam-Kin trigger, putting a +1/+1 counter on it
7. Repeat

Results

• Infinite LTB
• Infinite ETB
• Infinite sacrifice triggers
• Infinite death triggers
• Infinite storm count