The Great Goblin, Mortuary, Pitiless Plunderer, and Umbral Collar Zealot

Prerequisites

• The Great Goblin on the battlefield
• Mortuary on the battlefield
• Pitiless Plunderer on the battlefield
• Umbral Collar Zealot on the battlefield

Steps

1. Activate Umbral Collar Zealot by sacrificing the Goblin, Orc or Army When the Goblin, Orc or Army dies, Pitiless Plunderer, The Great Goblin's second ability and Mortuary trigger
2. Resolve the Pitiless Plunderer trigger, creating a Treasure token
3. Resolve the Mortuary trigger, putting the Goblin, Orc or Army onto the top of your library from your graveyard
4. Resolve the Great Goblin trigger, exiling the Goblin, Orc or Army from the top of your library with the ability to play it until the end of your next turn
5. Resolve the Umbral Collar Zealot ability Activate the Treasure by tapping and sacrificing it, adding one mana of any color
6. Cast the Goblin, Orc or Army from exile by paying its mana cost
7. Repeat

Results

• Infinite ETB
• Infinite LTB
• Infinite death triggers
• Infinite sacrifice triggers
• Infinite storm count