How it works
Prerequisites
- You have a basic land card in hand.
Steps
- 1If Flame Jab is in your graveyard, cast it for its retrace cost by paying and discarding a basic land card, targeting Polyraptor.
- 2Otherwise, cast it by paying , targeting Polyraptor.
- 3Resolve Flame Jab, dealing 1 damage to Polyraptor.
- 4Polyraptor triggers, creating a token copy of itself.
- 5The Polyraptor token enters the battlefield, triggering Mana Echoes, adding for each Dinosaur you control.
- 6If you cast Flame Jab from your graveyard, activate Groundskeeper by paying , returning a basic land card from your graveyard to your hand.
- 7Repeat.
- 8Once you have infinite mana, you may instead target any other target using Flame Jab.
Commander brackets
In which brackets is this combo allowed, per Spellbook's Exhibition tier?