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.
NM-Mint Foil - $80.10
Lightly Played Foil - $76.10
Moderately Played Foil - $72.10
Heavily Played Foil - $64.10
Damaged Foil - $52.10
NM-Mint Foil Non English - $80.10
Lightly Played Foil Non English - $76.10
Moderately Played Foil Non English - $72.10
Heavily Played Foil Non English - $64.10
Damaged Foil Non English - $52.10