How it works
Prerequisites
- Animar has at least two +1/+1 counters on it.
Steps
- 1Activate Ashnod's Altar by sacrificing Marang River Prowler, adding .
- 2Activate Gemstone Array's first ability by paying to put a charge counter on it.
- 3Activate Gemstone Array's second ability by removing a charge counter from it, adding .
- 4Cast Marang River Prowler from your graveyard.
- 5Ominous Roost triggers, creating a 1/1 Bird creature token.
- 6Repeat.
Commander brackets
In which brackets is this combo allowed, per Spellbook's Exhibition tier?