Rakdos Joins Up, Starfield of Nyx, and Quicksilver Gargantuan

Prerequisites

• Rakdos Joins Up on the battlefield
• Starfield of Nyx on the battlefield
• Quicksilver Gargantuan on the battlefield

Steps

1. Cast Quicksilver Gargantuan by paying its mana cost
2. Choose to have it enter the battlefield as a copy of Rakdos Joins Up
3. Put Quicksilver Gargantuan into your graveyard due to the legend rule
4. Quicksilver Gargantuan's first ability and second ability trigger, along with Rakdos Joins Up's second ability
5. Resolve Quicksilver Gargantuan's second trigger and Rakdos Joins Up's trigger, dealing damage to target opponent
6. Resolve Quicksilver Gargantuan'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