Blinding Beam is a common Instant card from Mirrodin (MRD), collector number 7. Current market price: $0.10 (foil $0.55), TCGplayer market prices via Scryfall.
Choose one — • Tap two target creatures. • Creatures don't untap during target player's next untap step. Entwine {1} (Choose both if you pay the entwine cost.)