Cheapest priced copy (Ravnica: Clue Edition): $0.35 at Card Kingdom, near mint, their price list as of .
Helium Squirter 
Creature — Beast Mutant · 0/0 · Common · Modern Masters 2015 · #47
Graft 3 (This creature enters with three +1/+1 counters on it. Whenever another creature enters, you may move a +1/+1 counter from this creature onto it.)
{1}: Target creature with a +1/+1 counter on it gains flying until end of turn.
Legal inCommanderModernLegacyVintagePauper
Not legal inBrawlStandardPioneer
4 printings · $0.35 to $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Ravnica: Clue Edition | 87 | Common | $0.35 | — |
| Dissension | 26 | Common | $0.35 | $0.49 |
| Modern Masters 2015 | 47 | Common | $0.35 | $0.49 |
| Ravnica Remastered | 45 | Common | $0.35 | $0.49 |