Cheapest priced copy (Fallout): $0.69 at Card Kingdom, near mint, their price list as of .
Endurance Bobblehead 
Artifact — Bobblehead · Uncommon · Fallout · #132
{T}: Add one mana of any color.
{3}, {T}: Up to X target creatures you control get +1/+0 and gain indestructible until end of turn, where X is the number of Bobbleheads you control as you activate this ability. Activate only as a sorcery.
Legal inCommanderLegacyVintage
Not legal inBrawlStandardPioneerModernPauper
3 printings · $0.69 to $54.99 at Card Kingdom
One ruling from Wizards of the Coast
- 8 March 2024You choose how many targets Endurance Bobblehead’s last ability has as you activate the ability. Once you do, it doesn’t matter what happens to any Bobbleheads you control.