Port Razer | Mirage Phalanx

Cards

At the beginning of your combat phase,
Mirage Phalanx and
Port Razer each trigger, creating a token copy of
Mirage Phalanx and
Port Razer with haste.
Deal combat damage to an opponent using the
Port Razer token.
The
Port Razer token triggers, untapping each creature you control and causing you to get an additional combat phase after this one.
At the end of your combat phase, the
Mirage Phalanx and
Port Razer tokens each trigger, exiling themselves.
Repeat each combat phase.