Kykar, Wind's Fury, Solemnity, and Strangleroot Geist

Prerequisites

• Kykar, Wind's Fury on the battlefield
• Solemnity on the battlefield
• Strangleroot Geist on the battlefield

Steps

1. Activate Kykar by sacrificing Strangleroot Geist, adding
2. Strangleroot 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

Results

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