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 - $84.50
Lightly Played Foil - $80.30
Moderately Played Foil - $76.10
Heavily Played Foil - $67.60
Damaged Foil - $54.90
NM-Mint Foil Non English - $84.50
Lightly Played Foil Non English - $80.30
Moderately Played Foil Non English - $76.10
Heavily Played Foil Non English - $67.60
Damaged Foil Non English - $54.90