Combat Celebrant + Saheeli, the Sun's Brilliance

UR identity

Commander legal

The 2 combo pieces

• Combat Celebrant
• Saheeli, the Sun's Brilliance

What must be in place

Creatures you control can tap to produce at least {U}{R}.

How to execute it

1. Activate any number of creatures by tapping them, adding at least {U}{R}.
2. Activate Saheeli by paying {U}{R} and tapping it, creating a token copy of Combat Celebrant with haste.
3. Declare the Combat Celebrant token as an attacker, choosing to exert it as it attacks. The token triggers, untapping all other creatures you control and causing you to get an additional combat phase after this one.
4. Repeat

What the combo produces

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