Cheapest priced copy (Foundations Commander): $0.49 at Card Kingdom, near mint, their price list as of .
Pugnacious Hammerskull 
Creature — Dinosaur · 6/6 · Rare · The Lost Caverns of Ixalan · #208
Whenever this creature attacks while you don't control another Dinosaur, put a stun counter on it. (If a permanent with a stun counter would become untapped, remove one from it instead.)
Legal inCommanderBrawlStandardPioneerModernLegacyVintage
Not legal inPauper
5 printings · $0.49 to $1.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Foundations Commander | 220 | Rare | $0.49 | — |
| The Lost Caverns of Ixalan | 208 | Rare | $0.69 | $0.79 |
| The Lost Caverns of Ixalan | 328 | Rare | $1.29 | $1.49 |
| The Lost Caverns of Ixalan Promos | 208p | Rare | $1.49 | $0.99 |
| The Lost Caverns of Ixalan Promos | 208s | Rare | — | $1.49 |
One ruling from Wizards of the Coast
- 10 November 2023If you didn't control another Dinosaur when you declared Pugnacious Hammerskull as an attacker, it doesn't matter whether or not you control one as its ability resolves. You'll still put a stun counter on Pugnacious Hammerskull.