Beastmaster Ascension 176 (Commander 2015)

Whenever a creature you control attacks, you may put a quest counter on this enchantment. As long as this enchantment has seven or more quest counters on it, creatures you control get +5/+5.

NM - $5.70
LP - $4.50
MP - $3.40
HP - $2.30
DMG - $1.50