Die Young is a common Sorcery card from Kaladesh (KLD), collector number 76. Current market price: $0.13 (foil $0.33), TCGplayer market prices via Scryfall.
Choose target creature. You get {E}{E} (two energy counters), then you may pay any amount of {E}. The creature gets -1/-1 until end of turn for each {E} paid this way.