Volcano Hellion, Metropolis Reformer, and Phyrexian Unlife

Prerequisites

• Volcano Hellion in hand
• Metropolis Reformer on the battlefield
• Phyrexian Unlife in hand
• Your life total is at least one
• available

Steps

1. Cast Volcano Hellion by paying
2. When Volcano Hellion enters the battlefield, it triggers, dealing an arbitrarily large amount of damage to you and Metropolis Reformer
3. Metropolis Reformer triggers, causing you to gain life equal to the damage dealt to it

Results

• Infinite lifegain