Rakdos Joins Up, Opalescence, and Clone

Prerequisites

• Rakdos Joins Up on the battlefield
• Opalescence on the battlefield
• Clone on the battlefield

Steps

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