Cheapest priced copy (Ixalan): $0.35 at Card Kingdom, near mint, their price list as of .
Jade Guardian 
Creature — Merfolk Shaman · 2/2 · Common · Ixalan · #194
Hexproof (This creature can't be the target of spells or abilities your opponents control.)
When this creature enters, put a +1/+1 counter on target Merfolk you control.
Legal inCommanderPioneerModernLegacyVintagePauper
Not legal inBrawlStandard
1 printing · $0.35 to $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Ixalan | 194 | Common | $0.35 | $0.49 |
One ruling from Wizards of the Coast
- 29 September 2017Jade Guardian can be the target of its own ability.