Hidden Herbalists

The descendant of a very specific design pedigree: the creature whose enter trigger refunds part or all of its own cost. The 2/2 body is not the point, the mana economy is. Pay two, and if the revolt condition is live, the two green mana returned means the Herbalists cost nothing while leaving a creature behind. That is the lineage it shares with Burning-Tree Emissary, where the conceit is not what the body does in combat but how its output chains into the next spell. The revolt clause is what keeps it from being a flat freebie: something has to have died, cracked, or traded away under your control first, so the refund is the payoff for a board state you already committed to rather than a gift on curve. A sacrifice outlet, a fetchland, a creature swinging into a bad block: any of these arms the trigger, and none of them are free themselves. And the mana comes back as , not two generic, which narrows the chains it enables but sharpens them: it wants to dump into more green permanents, not bankroll a splash. The card is less a threat than a link in a sequence, a piece that only justifies itself once you have built the engine that turns its trigger on.