Cheapest priced copy (Modern Horizons 2): $0.35 at Card Kingdom, near mint, their price list as of .
Phantasmal Dreadmaw 
Creature — Dinosaur Illusion · 6/6 · Common · Modern Horizons 2 · #339
Trample
When this creature becomes the target of a spell or ability, sacrifice it.
Legal inCommanderModernLegacyVintagePauper
Not legal inBrawlStandardPioneer
2 printings · $0.35 to $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Modern Horizons 2 | 55 | Common | $0.35 | $0.49 |
| Modern Horizons 2 | 339 | Common | $0.35 | $0.49 |
2 rulings from Wizards of the Coast
- 18 June 2021If Phantasmal Dreadmaw becomes the target of a spell or ability, its ability triggers and goes on the stack on top of that spell or ability. Phantasmal Dreadmaw will be sacrificed before that spell or ability tries to resolve. Unless the spell or ability has another target, it will then be removed from the stack as it tries to resolve for having no legal targets.
- 18 June 2021Countering the spell or ability will not save Phantasmal Dreadmaw from being sacrificed.