Hawkeye's Bow, and Pemmin's Aura

Prerequisites

• Hawkeye's Bow on the battlefield
• Pemmin's Aura on the battlefield

Steps

1. Activate the mana-producing creature by tapping it, adding
2. Hawkeye's Bow triggers, dealing 1 damage to each opponent
3. Activate Pemmin's Aura by paying , untapping the mana-producing creature
4. Repeat

Results

• Infinite damage