Cheapest priced copy (Fallout): $5.49 at Card Kingdom, near mint, their price list as of .
Kellogg, Dangerous Mind 
Legendary Creature — Human Mercenary · 3/2 · Rare · Fallout · #415
First strike, haste
Whenever Kellogg attacks, create a Treasure token.
Sacrifice five Treasures: Gain control of target creature for as long as you control Kellogg. Activate only as a sorcery.
Legal inCommanderLegacyVintage
Not legal inBrawlStandardPioneerModernPauper
4 printings · $5.49 to $13.99 at Card Kingdom
One ruling from Wizards of the Coast
- 8 March 2024If you lose control of Kellogg before its last ability resolves, you won't gain control of the target creature at all.