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 - $29.50
Lightly Played - $26.50
Played - $20.60
Heavily Played - $17.70
Damaged - $14.80
Near Mint Non-English - $29.50
Lightly Played Non-English - $26.50
Played Non-English - $20.60
Heavily Played Non-English - $17.70
Damaged Non-English - $14.80
Foil Prices
Near Mint Foil - $30.20
Lightly Played Foil - $27.10
Played Foil - $21.10
Heavily Played Foil - $18.10
Damaged Foil - $15.10
Near Mint Foil Non-English - $30.20
Lightly Played Foil Non-English - $27.10
Played Foil Non-English - $21.10
Heavily Played Foil Non-English - $18.10
Damaged Foil Non-English - $15.10