Mindsparker is a rare Creature — Elemental card from Magic 2014 (M14), collector number 146. Current market price: $0.27 (foil $0.59), TCGplayer market prices via Scryfall.
First strike (This creature deals combat damage before creatures without first strike.) Whenever an opponent casts a white or blue instant or sorcery spell, this creature deals 2 damage to that player.