The Aetherspark is a mythic Legendary Artifact Planeswalker — Equipment card from Aetherdrift (DFT), collector number 376. Current market price: — (foil $1,875.00), TCGplayer market prices via Scryfall.
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.