Judith, Carnage Connoisseur, Vito, Thorn of the Dusk Rose, and Fire Covenant

Prerequisites

• Judith, Carnage Connoisseur on the battlefield
• Vito, Thorn of the Dusk Rose on the battlefield
• Fire Covenant in hand
• available

Steps

1. Cast Fire Covenant by paying and an amount of life equal to your life total minus 1, targeting any creature
2. Judith triggers, giving Fire Covenant deathtouch and lifelink
3. Resolve Fire Covenant, dealing damage equal to the life paid to the targeted creature and causing you to gain that much life
4. Vito triggers, dealing that much damage to target opponent

Results

• Near-infinite lifeloss for target opponent