Beastmaster Ascension 142 (Commander 2016)

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 - $8.40
LP - $6.70
MP - $5.10
HP - $3.40
DMG - $1.70