Havengul Lich, Rooftop Storm, Grimgrin, Corpse-Born, and Relic of Legends

Prerequisites

• Havengul Lich on the battlefield
• Rooftop Storm on the battlefield
• Grimgrin, Corpse-Born on the battlefield
• Relic of Legends on the battlefield

Steps

1. Activate Relic of Legends' second ability by tapping Grimgrin, adding
2. Activate Havengul Lich by paying , allowing you to cast the Zombie card from your graveyard this turn
3. Cast the Zombie from your graveyard by paying due to Rooftop Storm
4. Activate Grimgrin by sacrificing the Zombie, untapping Grimgrin and putting a +1/+1 counter on it
5. Repeat

Results

• Infinite +1/+1 counters on a creature
• Infinite ETB
• Infinite LTB
• Infinite death triggers
• Infinite sacrifice triggers
• Infinite storm count