Lurrus of the Dream-Den + Magistrate's Scepter + Coretapper

Lurrus of the Dream-Den

Magistrate's Scepter

Coretapper

How it works

1. Activate Coretapper's first ability by tapping it, putting a charge counter on Magistrate's Scepter.
2. Activate Coretapper's second ability by sacrificing it, putting two charge counters on Magistrate's Scepter.
3. Activate Magistrate's Scepter's second ability by tapping it and removing three charge counters from it, taking an extra turn after this one.
4. Cast Coretapper from your graveyard using Lurrus of the Dream-Den's ability by paying 2.
5. Repeat each turn.