Kykar, Wind's Fury + Solemnity + Stormbound Geist

URW identity

Commander legal

The 3 combo pieces

• Kykar, Wind's Fury
• Solemnity
• Stormbound Geist

How to execute it

1. Activate Kykar by sacrificing Stormbound Geist, adding {R}.
2. Stormbound Geist dies, triggering its undying ability, returning it from your graveyard to the batltefield without a +1/+1 counter on it due to Solemnity.
3. Repeat.

What the combo produces

• Infinite creature LTB
• Infinite death triggers
• Infinite ETB
• Infinite red mana
• Infinite sacrifice triggers