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 - $27.70
Lightly Played - $24.90
Played - $19.40
Heavily Played - $16.60
Damaged - $13.90
Near Mint Non-English - $27.70
Lightly Played Non-English - $24.90
Played Non-English - $19.40
Heavily Played Non-English - $16.60
Damaged Non-English - $13.90
Foil Prices
Near Mint Foil - $31.30
Lightly Played Foil - $28.10
Played Foil - $21.90
Heavily Played Foil - $18.80
Damaged Foil - $15.60
Near Mint Foil Non-English - $31.30
Lightly Played Foil Non-English - $28.10
Played Foil Non-English - $21.90
Heavily Played Foil Non-English - $18.80
Damaged Foil Non-English - $15.60