Hawkeye's Bow, Ioreth of the Healing House, and North Pole Patrol

Prerequisites

• Hawkeye's Bow on the battlefield
• Ioreth of the Healing House on the battlefield
• North Pole Patrol on the battlefield

Steps

1. Activate Ioreth of the Healing House by tapping it, targeting North Pole Patrol
2. If Ioreth of the Healing House has Hawkeye's Bow attached to it, Hawkeye's Bow triggers, dealing 1 damage to each opponent
3. Resolve the Ioreth of the Healing House ability, untapping North Pole Patrol
4. Activate North Pole Patrol by tapping it, targeting Ioreth of the Healing House
5. If North Pole Patrol has Hawkeye's Bow attached to it, Hawkeye's Bow triggers, dealing 1 damage to each opponent
6. Resolve the North Pole Patrol ability, untapping Ioreth of the Healing House
7. Repeat

Results

• Infinite damage