Medomai the Ageless + Triton Shorestalker + Sakashima's Student + Erratic Portal + Mirror Gallery

Prerequisites

• Triton Shorestalker does not have summoning sickness.

Steps

1. 1Attack with Triton Shorestalker and when it isn't blocked, cast Sakashima's Student's for it's ninjutsu cost, paying and returning Triton Shorestalker to hand.
2. 2Have Sakashima's Student enter the battlefield as a copy of Medomai the Ageless and deal combat damage, gaining you an extra turn.
3. 3During your second main phase, cast Triton Shorestalker for .
4. 4Return Sakashima's Student to your hand with Erratic Portal for .
5. 5Pass the turn to yourself and repeat.

Effects

• Infinite turns
• Lock