Combat Celebrant + Dragonlord Kolaghan + Impostor Syndrome

UBR identity

Commander legal

The 3 combo pieces

• Combat Celebrant
• Dragonlord Kolaghan
• Impostor Syndrome

What must be in place

An opponent cannot block creatures you control.
Combat Celebrant has vigilance.

How to execute it

1. Declare Combat Celebrant as an attacker, choosing to exert it as it attacks and triggering its ability, causing you to untap all other creatures you control and to get an additional combat phase after this one.
2. Deal combat damage to an opponent using Combat Celebrant, triggering Impostor Syndrome, creating a token copy of Combat Celebrant that isn't legendary.
3. During your next combat phase, declare Combat Celebrant and the Combat Celebrant token as attackers, choosing to exert the Combat Celebrant token as it attacks.
4. The Combat Celebrant token triggers, causing you to untap all other creatures you control and to get an additional combat phase after this one.
5. Repeat from step 2.

What the combo produces

• Infinite combat damage
• Infinite combat phases
• Infinite creature LTB
• Infinite death triggers
• Infinite ETB
• Infinite mana creatures you control can produce
• Infinite sacrifice triggers
• Infinite untap of creatures you control