Volcano Hellion, and Whip of Erebos

Prerequisites

• Volcano Hellion in hand
• Whip of Erebos on the battlefield
• available

Steps

1. Cast Volcano Hellion by paying
2. Volcano Hellion enters the battlefield, dealing an arbitrarily large amount of damage to you and target creature, and causing you to gain life equal to the total amount of damage done this way

Results

• Infinite damage to target creature
• Infinite lifegain