FOILCheapest priced copy (The List): $0.59 at Card Kingdom, near mint, their price list as of .
Dragonlair Spider 
Creature — Spider · 5/6 · Rare · Commander's Arsenal · #6
Reach
Whenever an opponent casts a spell, create a 1/1 green Insect creature token.
Legal inCommanderLegacyVintage
Not legal inBrawlStandardPioneerModernPauper
5 printings · $0.59 to $4.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Commander's Arsenal | 6 | Rare | — | $3.99 |
| Conspiracy: Take the Crown | 201 | Rare | $0.99 | $4.49 |
| Planechase 2012 | 87 | Rare | $1.29 | — |
| Planechase Anthology | 87 | Rare | $0.99 | — |
| The List | PCA-87 | Rare | $0.59 | — |
2 rulings from Wizards of the Coast
- 1 June 2012The triggered ability will resolve and the Insect will be created before the spell that caused it to trigger resolves.
- 1 June 2012The triggered ability won’t be affected if the spell that caused it to trigger is countered.