Chainer, Nightmare Adept + Coretapper + Magistrate's Scepter

Prerequisites

• Coretapper does not have summoning sickness.

Steps

1. 1Activate Coretapper's first ability by tapping it, putting a charge counter on Magistrate's Scepter.
2. 2Activate Coretapper's second ability by sacrificing it, putting two charge counters on Magistrate's Scepter.
3. 3Activate Magistrate's Scepter's second ability by tapping it and removing three charge counters from it, taking an extra turn after this one.
4. 4During your next extra turn's main phase, activate Chainer by discarding a card, allowing you cast Coretapper from your graveyard this turn.
5. 5Cast Coretapper by paying .
6. 6When Coretapper enters the battlefield, Chainer triggers, giving Coretapper haste until your next turn.
7. 7Repeat each turn.

Effects

• Infinite turns
• Lock