Sekki, Seasons' Guide, and Warstorm Surge

Prerequisites

• Sekki, Seasons' Guide in hand
• Warstorm Surge on the battlefield
• available

Steps

1. Cast Sekki by paying
2. When Sekki enters, Warstorm Surge triggers, targeting Sekki
3. Sekki prevents the 8 damage that would be dealt to it and instead removes eight +1/+1 counters from Sekki and creates eight 1/1 Spirit creature tokens
4. Sekki dies as a state-based action due to having 0 toughness
5. When the Spirits enter, Warstorm Surge triggers that many times, dealing a total of 8 damage divided among any number of targets
6. Activate Sekki by sacrificing the eight Spirit tokens, returning Sekki from your graveyard to the battlefield
7. Repeat from step 2

Results

• Infinite damage
• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite sacrifice triggers