Nivix Guildmage is a uncommon Creature — Human Wizard card from GRN Guild Kit (GK1), collector number 42. Current market price: $0.27, TCGplayer market prices via Scryfall.
{1}{U}{R}: Draw a card, then discard a card. {2}{U}{R}: Copy target instant or sorcery spell you control. You may choose new targets for the copy.