As long as The Aetherspark is attached to a creature, The Aetherspark can't be attacked and has "Whenever equipped creature deals combat damage during your turn, put that many loyalty counters on The Aetherspark." +1: Attach The Aetherspark to up to one target creature you control. Put a +1/+1 counter on that creature. −5: Draw two cards. −10: Add ten mana of any one color.
Near Mint - $16.30
Lightly Played - $13.10
Moderately Played - $11.40
Heavily Played - $9.80
Damaged - $8.20
Near Mint Spanish - $16.30
Lightly Played Spanish - $13.10
Moderately Played Spanish - $11.40
Heavily Played Spanish - $9.80
Damaged Spanish - $8.20
Foil Prices
Near Mint Foil - $19.50
Lightly Played Foil - $15.60
Moderately Played Foil - $13.70
Heavily Played Foil - $11.70
Damaged Foil - $9.80
Near Mint Foil Spanish - $19.50
Lightly Played Foil Spanish - $15.60
Moderately Played Foil Spanish - $13.70
Heavily Played Foil Spanish - $11.70
Damaged Foil Spanish - $9.80