Kenrith, the Returned King, Peregrine Drake, and Ashnod's Altar

Prerequisites

• Kenrith, the Returned King on the battlefield
• Peregrine Drake in the graveyard
• Ashnod's Altar on the battlefield
• You control up to five lands that can tap to produce at least
• at most available

Steps

1. Activate up to five lands by tapping them, adding at least
2. Activate Kenrith's fifth ability by paying , returning Peregrine Drake from your graveyard to the battlefield
3. When Peregrine Drake enters the battlefield, it triggers, untapping up to five lands
4. Activate Ashnod's Altar by sacrificing Peregrine Drake, adding
5. Repeat

Results

• Infinite colorless mana
• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite sacrifice triggers
• Infinite mana lands you control can produce
• Infinite untap of lands you control