Cheapest priced copy (Bloomburrow Commander Tokens): $0.99 at Card Kingdom, near mint, their price list as of .
Agate Instigator 
Creature — Lizard Rogue · 1/3 · Common · Bloomburrow Commander Tokens · #20
Offspring {1}{R} (You may pay an additional {1}{R} as you cast this spell. If you do, when this creature enters, create a 1/1 token copy of it.)
Whenever another creature you control enters, this creature deals 1 damage to each opponent.
Legal inCommanderLegacyVintage
Not legal inBrawlStandardPioneerModernPauper
4 printings · $0.99 to $16.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Bloomburrow Commander | 21 | Rare | $13.99 | — |
| Bloomburrow Commander | 56 | Rare | $16.99 | — |
| The List | BLC-21 | Rare | — | — |
| Bloomburrow Commander Tokens | 20 | Common | $0.99 | $0.99 |