Dimir Charm is a uncommon Instant card from GRN Guild Kit (GK1), collector number 11. Current market price: $0.25, TCGplayer market prices via Scryfall.
Choose one — • Counter target sorcery spell. • Destroy target creature with power 2 or less. • Look at the top three cards of target player's library. Put one back and the rest into that player's graveyard.