Orvar, the All-Form, Treachery, and Whim of Volrath

Prerequisites

• Orvar, the All-Form on the battlefield
• Treachery on the battlefield
• Whim of Volrath in hand

Steps

1. Activate up to five lands you control by tapping them, adding at least
2. Cast Whim of Volrath with buyback by paying , targeting Treachery
3. Orvar's first ability triggers, causing you to create a copy of Treachery and attach it to any creature
4. The Treachery token enters the battlefield, causing you to untap up to five lands
5. Resolve Whim of Volrath, changing nothing and returning it to your hand
6. Repeat
7. Once you have infinite mana, you can target any other permanents you control in step 2 to get infinite token copies of them

Results

• Gain control of all creatures
• Infinite copies of permanents you control
• Infinite magecraft triggers
• Infinite mana lands you control can produce
• Infinite storm count
• Infinite untap of lands you control