Cheapest priced copy (Bloomburrow): $0.59 at Card Kingdom, near mint, their price list as of .
Mistbreath Elder 
Creature — Frog Warrior · 2/2 · Rare · Bloomburrow · #184
At the beginning of your upkeep, return another creature you control to its owner's hand. If you do, put a +1/+1 counter on this creature. Otherwise, you may return this creature to its owner's hand.
Legal inCommanderBrawlStandardPioneerModernLegacyVintage
Not legal inPauper
4 printings · $0.59 to $1.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Bloomburrow | 184 | Rare | $0.59 | $0.79 |
| Bloomburrow | 323 | Rare | $0.79 | $1.49 |
| Bloomburrow Promos | 184p | Rare | $0.59 | $1.99 |
| Bloomburrow Promos | 184s | Rare | — | $1.49 |
One ruling from Wizards of the Coast
- 26 July 2024If you control creatures other than Mistbreath Elder as its triggered ability resolves, you must return one of them to its owner’s hand. If you don’t, you have the option to return Mistbreath Elder to its owner’s hand or leave it on the battlefield and have the ability do nothing.