Dromoka's Command is a rare Instant card from Dragons of Tarkir (DTK), collector number 221. Current market price: $0.35 (foil $1.03), TCGplayer market prices via Scryfall.
Choose two — • Prevent all damage target instant or sorcery spell would deal this turn. • Target player sacrifices an enchantment of their choice. • Put a +1/+1 counter on target creature. • Target creature you control fights target creature you don't control.