Ultimate Wizardry (SBC1-ENS01) [Speed Duel: Streets of Battle City]

When you activate this Skill, place up to 1 Spell Counter on each face-up Spellcaster monster you control that you can place a Spell Counter on. Once per turn, during your Main Phase, you can place 1 Spell Counter on a face-up Spellcaster monster you control that you can place a Spell Counter on.