Trazyn the Infinite, Grim Monolith, and Bag End Banquet

Prerequisites

• Trazyn the Infinite on the battlefield
• Grim Monolith in the graveyard
• Bag End Banquet in the graveyard

Steps

1. Activate Trazyn using Bag End Banquet's ability by tapping it, adding at least Activate Trazyn using Grim Monolith's ability by paying , untapping Trazyn
2. Repeat

Results

• Infinite colorless mana