Reejerey of Illuminated Depths

Reejerey of Illuminated Depths enters the battlefield with two glow counters on it.
Glow (Whenever you cast a spell, put a glow counter on this permanent. At the beginning of your upkeep, remove a glow counter from this permanent.)
Reejerey of Illuminated Depths' power and toughness are each equal to the number of glow counters on it.