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 - $19.25
Lightly Played - $18.25
Moderately Played - $15.25
Heavily Played - $11.50
Damaged - $9.75
Near Mint Non-English - $19.25
Lightly Played Non-English - $18.25
Moderately Played Non-English - $15.25
Heavily Played Non-English - $11.50
Damaged Non-English - $9.75
Foil Prices
Near Mint Foil - $22.75
Lightly Played Foil - $21.75
Moderately Played Foil - $18.25
Heavily Played Foil - $13.75
Damaged Foil - $11.50
Near Mint Foil Non-English - $22.75
Lightly Played Foil Non-English - $21.75
Moderately Played Foil Non-English - $18.25
Heavily Played Foil Non-English - $13.75
Damaged Foil Non-English - $11.50