As an additional cost to play Flock of the Feather Walkers, reveal a card in your hand with cost 1 or less.
Create a Quicken token. (It's an aura with "When you play an attack action card or attack with a weapon, destroy Quicken then the attack gains go again.)
Near Mint Unlimited Normal - $3.60
Lightly Played Unlimited Normal - $3.50
Moderately Played Unlimited Normal - $3.10
Heavily Played Unlimited Normal - $2.90
Damaged Unlimited Normal - $2.20