Missy, Thermopod, and Horde Ambusher

Prerequisites

• Missy on the battlefield
• Thermopod on the battlefield
• Horde Ambusher on the battlefield

Steps

1. Activate Thermopod's second ability by sacrificing Horde Ambusher, adding
2. When Horde Ambusher dies, Missy's first ability triggers, returning Horde Ambusher from your graveyard to the battlefield face down as a 2/2 Cyberman artifact creature
3. Activate Horde Ambusher's morph ability by revealing a red card from your hand, turning it face up
4. Repeat

Results

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