Cheapest priced copy (Commander 2014): $6.99 at Card Kingdom, near mint, their price list as of .
Siege Behemoth 
Creature — Beast · 7/4 · Rare · Commander 2014 · #46
Hexproof
As long as this creature is attacking, for each creature you control, you may have that creature assign its combat damage as though it weren't blocked.
Legal inCommanderLegacyVintage
Not legal inBrawlStandardPioneerModernPauper
2 printings · $6.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Commander 2014 | 46 | Rare | $6.99 | — |
| Commander Anthology | 144 | Rare | $6.99 | — |
One ruling from Wizards of the Coast
- 7 November 2014You decide whether to assign a creature’s combat damage as though it weren’t blocked just before it assigns that damage. You may make a different choice for each creature you control—that is, you may have none, some, or all of those creatures assign combat damage as though they weren’t blocked.