Arcane Bombardment, Time Warp, and Whim of Volrath

Prerequisites

• Arcane Bombardment on the battlefield
• Time Warp in exile
• Whim of Volrath in hand
• each turn available

Steps

1. Cast Whim of Volrath with buyback by paying
2. Arcane Bombardment triggers, exiling an instant or sorcery at random from your graveyard, and casting a copy of Time Warp without paying its mana cost
3. Resolve Time Warp, causing you to take an extra turn after this one
4. Resolve Whim of Volrath, returning Whim of Volrath to your hand
5. Repeat each turn

Results

• Infinite turns