Cheapest priced copy (Weatherlight): $0.99 at Card Kingdom, near mint, their price list as of .
Inner Sanctum 
Enchantment · Rare · Weatherlight · #18
Cumulative upkeep—Pay 2 life. (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)
Prevent all damage that would be dealt to creatures you control.
Legal inCommanderLegacyVintage
Not legal inBrawlStandardPioneerModernPauper
1 printing · $0.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Weatherlight | 18 | Rare | $0.99 | — |