Rakdos Joins Up, Starfield of Nyx, and Glasspool Mimic // Glasspool Shore

Prerequisites

• Rakdos Joins Up on the battlefield
• Starfield of Nyx on the battlefield
• Glasspool Mimic // Glasspool Shore on the battlefield

Steps

1. Cast Glasspool Mimic by paying its mana cost
2. Choose to have it enter the battlefield as a copy of Rakdos Joins Up
3. Put Glasspool Mimic into your graveyard due to the legend rule
4. Glasspool Mimic's first ability and second ability trigger, along with Rakdos Joins Up's second ability
5. Resolve Glasspool Mimic's second trigger and Rakdos Joins Up's trigger, dealing damage to target opponent
6. Resolve Glasspool Mimic's first trigger, returning it from your graveyard to the battlefield with two +1/+1 counters on it as a copy of Rakdos Joins Up
7. Repeat from step 2

Results

• Infinite LTB
• Infinite ETB
• Infinite death triggers
• Infinite damage