Cheapest priced copy (Onslaught): $0.35 at Card Kingdom, near mint, their price list as of .
Serpentine Basilisk 
Creature — Basilisk · 2/3 · Uncommon · Onslaught · #280
Whenever this creature deals combat damage to a creature, destroy that creature at end of combat.
Morph {1}{G}{G} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)
Legal inCommanderLegacyVintage
Not legal inBrawlStandardPioneerModernPauper
1 printing · $0.35 to $0.79 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Onslaught | 280 | Uncommon | $0.35 | $0.79 |