Cheapest priced copy (The List): $3.99 at Card Kingdom, near mint, their price list as of .
Death Cloud 
Sorcery · Rare · Darksteel · #40
Each player loses X life, discards X cards, sacrifices X creatures of their choice, then sacrifices X lands of their choice.
Legal inCommanderModernLegacyVintage
Not legal inBrawlStandardPioneerPauper
3 printings · $3.99 to $13.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Darksteel | 40 | Rare | $5.49 | $13.99 |
| Modern Masters | 76 | Rare | $4.99 | $13.99 |
| The List | DST-40 | Rare | $3.99 | — |
One ruling from Wizards of the Coast
- 7 June 2013If you control a permanent that’s a creature and a land, and you choose to sacrifice it as you sacrifice creatures, it won’t be on the battlefield when you sacrifice lands. You can’t sacrifice it again.