Cheapest priced copy (Eldritch Moon): $0.35 at Card Kingdom, near mint, their price list as of .
Take Inventory 
Sorcery · Common · Eldritch Moon · #76
Draw a card, then draw cards equal to the number of cards named Take Inventory in your graveyard.
Legal inCommanderPioneerModernLegacyVintagePauper
Not legal inBrawlStandard
1 printing · $0.35 to $1.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Eldritch Moon | 76 | Common | $0.35 | $1.99 |
One ruling from Wizards of the Coast
- 13 July 2016Because Take Inventory is still on the stack as it’s resolving, that spell card isn’t in your graveyard and won’t affect the number of cards you draw.