What Lurks in the Deep

Glow (Whenever you cast a spell, put a glow counter on this creature. At the beginning of your upkeep, remove a glow counter from it.)
{1}{u}: Target creature with power X or less attacks this turn if able, where X is the number
of glow counters on What Lurks in the Deep.
"I see a light." - Lord of Atlantis, last words