Opalescence + Rakdos Joins Up + Vesuvan Shapeshifter

WUBR identity

Commander legal

The 3 combo pieces

• Opalescence
• Rakdos Joins Up
• Vesuvan Shapeshifter

How to execute it

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

What the combo produces

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