Aethertorch Renegade is a uncommon Creature — Human Rogue card from Kaladesh (KLD), collector number 106. Current market price: $0.11 (foil $0.40), TCGplayer market prices via Scryfall.
When this creature enters, you get {E}{E}{E}{E} (four energy counters). {T}, Pay {E}{E}: This creature deals 1 damage to target creature. {T}, Pay eight {E}: This creature deals 6 damage to target player or planeswalker.