Enduring Renewal, Priest of Gix, and Grimgrin, Corpse-Born

Prerequisites

• Enduring Renewal on the battlefield
• Priest of Gix in hand
• Grimgrin, Corpse-Born on the battlefield
• available

Steps

1. Cast Priest of Gix by paying its mana cost
2. When Priest of Gix enters, it triggers, adding
3. Activate Grimgrin by sacrificing Priest of Gix
4. When Priest of Gix dies, Enduring Renewal triggers, returning Priest of Gix from your graveyard to your hand
5. Resolve the Grimgrin ability, putting a +1/+1 counter on Grimgrin and untapping it
6. Repeat

Results

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