Beastmaster Ascension 159/249 (The List Reprints)

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 - $6.70
LP - $5.40
MP - $4.10
HP - $2.70
DMG - $1.50