Mardu Siegebreaker
Port Razer

   Prerequisites

What do I need to start this combo?
Mardu Siegebreaker on the battlefield.
Port Razer in exile.
Port Razer exiled by Mardu Siegebreaker.
Port Razer cannot be blocked by an opponent. An opponent cannot block and kill creatures you control.

   Steps

How does this combo work?
1
Declare Mardu Siegebreaker as an attacker, triggering its second ability, creating a token copy of Port Razer that is tapped and attacking.
2
Deal combat damage with the Port Razer token, triggering its ability, untapping all creatures you control and causing you to get an additional combat phase after this one.
3
Repeat each combat phase.

   Results

What do I get from this combo?
Infinite ETB
Infinite combat phases
Infinite untap of creatures you control
Infinite mana creatures you control can produce
Infinite LTB
Infinite sacrifice triggers
Infinite death triggers
Infinite combat damage
Infinite tapped creature tokens
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