Yenna, Redtooth Regent, Ashaya, Soul of the Wild, Peregrine Drake, Jump Scare, and Hammerhead, Maggia Boss

Prerequisites

• Yenna, Redtooth Regent on the battlefield
• Ashaya, Soul of the Wild on the battlefield
• Peregrine Drake on the battlefield
• Jump Scare in hand
• Hammerhead, Maggia Boss on the battlefield
• available

Steps

1. Cause Peregrine Drake to become an enchantment using Jump Scare
2. Activate up to four lands excluding Yenna by tapping them, adding at least Activate Yenna by paying and tapping it, creating a token copy of Peregrine Drake When the Peregrine Drake token enters, it triggers, untapping Yenna and up to four other lands
3. Activate Hammerhead by sacrificing the Peregrine Drake token, putting a +1/+1 counter on Hammerhead
4. Repeat from step 2

Results

• Infinite creature ETB
• Infinite creature LTB
• Infinite creature sacrifice triggers
• Infinite death triggers
• Infinite green mana
• Infinite mana lands you control can produce
• Infinite mana nontoken creatures you control can produce
• Infinite untap of lands you control
• Infinite untap of nontoken creatures you control