Setessan Lorekeeper

Bestow {x}{x}{x}{g}{g}-(If you cast this card for its bestow cost, it's an Aura spell with enchant creature. It becomes a creature again if it's not attached to a creature.)
Whenever you draw a card, put X +1/+1 counters on Setessan Lorekeeper. If Setessan Lorekeeper is enchanted to a creature, put X +1/+1 counters on enchanted creature instead.
Enchanted creature gets +2/+2.