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 - $38.60
Lightly Played - $34.70
Played - $27.00
Heavily Played - $23.20
Damaged - $19.30
Near Mint Non-English - $38.60
Lightly Played Non-English - $34.70
Played Non-English - $27.00
Heavily Played Non-English - $23.20
Damaged Non-English - $19.30
Foil Prices
Near Mint Foil - $45.60
Lightly Played Foil - $41.00
Played Foil - $31.90
Heavily Played Foil - $27.40
Damaged Foil - $22.80
Near Mint Foil Non-English - $45.60
Lightly Played Foil Non-English - $41.00
Played Foil Non-English - $31.90
Heavily Played Foil Non-English - $27.40
Damaged Foil Non-English - $22.80