How it works
Prerequisites
- Myojin of Grim Betrayal has at least one indestructible counter on it.
Steps
- 1Activate Phyrexian Altar by sacrificing Core Prowler, adding one mana of any color.
- 2When Core Prowler dies, it triggers, putting an indestructible counter on Myojin.
- 3Activate Myojin by removing an indestructible counter from it, returning Core Prowler from your graveyard to the battlefield.
- 4Repeat.
Commander brackets
In which brackets is this combo allowed, per Spellbook's Exhibition tier?