Staggering Insight is a uncommon Enchantment — Aura card from Theros Beyond Death (THB), collector number 228. Current market price: $0.38 (foil $0.38), TCGplayer market prices via Scryfall.
Enchant creature Enchanted creature gets +1/+1 and has lifelink and "Whenever this creature deals combat damage to a player, draw a card."