Ruthless Instincts is a uncommon Instant card from Fate Reforged (FRF), collector number 136. Current market price: $0.11 (foil $0.43), TCGplayer market prices via Scryfall.
Choose one — • Target nonattacking creature gains reach and deathtouch until end of turn. Untap it. • Target attacking creature gets +2/+2 and gains trample until end of turn.