
Whenever you cast a multicolored spell, put a +1/+1 counter on this creature.
Incapable of choosing a favorite and invulnerable to the influence of magic, it is an ideal and obnoxiously accurate referee.
Illustrated by Nino Vecia
Released on April 24, 2026
Mage Tower Referee's ability resolves before the spell that caused it to trigger. It resolves even if that spell is countered or otherwise leaves the stack.