The Great Goblin, Mortuary, Prosper, Tome-Bound, and Carrion Feeder

Prerequisites

• The Great Goblin on the battlefield
• Mortuary on the battlefield
• Prosper, Tome-Bound on the battlefield
• Carrion Feeder on the battlefield
• available

Steps

1. Activate Carrion Feeder by sacrificing the Goblin, Orc or Army When the Goblin, Orc or Army dies, The Great Goblin's second ability and Mortuary trigger
2. Resolve the Mortuary trigger, putting the Goblin, Orc or Army onto the top of your library from your graveyard
3. 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
4. Resolve the Carrion Feeder ability Cast the Goblin, Orc or Army from exile by paying its mana cost
5. Prosper triggers, creating a Treasure token
6. Activate the Treasure by tapping and sacrificing it, adding one mana of any color
7. Repeat

Results

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