Tradewind Rider, Intruder Alarm, and Great Whale

Prerequisites

• Tradewind Rider on the battlefield
• Intruder Alarm on the battlefield
• Great Whale in hand

Steps

1. Activate up to seven lands by tapping them, adding at least
2. Cast Great Whale by paying
3. When Great Whale enters the battlefield, it and Intruder Alarm trigger
4. Resolve the Great Whale trigger, untapping up to seven lands
5. Resolve the Intruder Alarm trigger, untapping all creatures
6. Activate Tradewind Rider by tapping it, Great Whale and one other creature you control, returning Great Whale from the battlefield to your hand
7. Repeat

Results

• Infinite LTB
• Infinite ETB
• Infinite storm count
• Infinite mana lands you control can produce
• Infinite untap of creatures you control
• Infinite mana creatures you control can produce
• Infinite untap of lands you control