Charisma Bobblehead

The token clause is the tell: this is a mana rock that pays you to hoard others like it. As a colorless-fixing three-drop that taps for any color, it is functionally a slightly worse Commander's Sphere without the sacrifice recursion, but the second ability rewrites the calculus of running the whole Bobblehead cycle. Because X counts every Bobblehead you control (not just this one), each additional Bobblehead you assemble raises the ceiling on the sorcery-speed Soldier factory, turning a pile of otherwise unremarkable rocks into a scaling army-in-a-can. That is a rare structural move for an artifact: most build-arounds ask you to commit to a single keystone, while this one wants breadth, a tabletop of trinkets each quietly incrementing a shared counter. The four-mana activation and sorcery restriction are the governor here, keeping the token engine from spinning off during combat or on an opponent's turn, so the payoff stays a mainphase investment rather than an instant-speed blowout. Treated as filler, it taps for a color and does nothing memorable; treated as the anchor of a Bobblehead-matters plan, it is the card that gives the artifact-type collection a reason to exist beyond a novelty subtheme.