Iridescent Drake, Abduction, and Ashnod's Altar

Prerequisites

• Iridescent Drake on the battlefield
• Abduction on the battlefield
• Ashnod's Altar on the battlefield

Steps

1. Activate Ashnod's Altar by sacrificing Iridescent Drake, adding
2. When Iridescent Drake dies, Abduction triggers, returning Iridescent Drake from your graveyard to the battlefield
3. When Iridescent Drake enters the battlefield, it triggers, returning Abduction from your graveyard to the battlefield attached to Iridescent Drake
4. Repeat

Results

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