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 - $27.30
Lightly Played - $24.60
Played - $19.10
Heavily Played - $16.40
Damaged - $13.70
Near Mint Non-English - $27.30
Lightly Played Non-English - $24.60
Played Non-English - $19.10
Heavily Played Non-English - $16.40
Damaged Non-English - $13.70
Foil Prices
Near Mint Foil - $31.20
Lightly Played Foil - $28.10
Played Foil - $21.80
Heavily Played Foil - $18.70
Damaged Foil - $15.60
Near Mint Foil Non-English - $31.20
Lightly Played Foil Non-English - $28.10
Played Foil Non-English - $21.80
Heavily Played Foil Non-English - $18.70
Damaged Foil Non-English - $15.60