Mirrorform, and Vela the Night-Clad

Prerequisites

• Mirrorform in hand
• Vela the Night-Clad on the battlefield

Steps

1. Cast Mirrorform by paying , causing each nonland permanent to become a copy of Vela
2. Put all but one Vela into your graveyard due to the legend rule
3. Each Vela you controlled triggers for each Vela that died, causing each opponent to lose 1 life for each trigger

Results

• Near-infinite lifeloss