Selesnya Guildmage is a uncommon Creature — Elf Wizard card from Modern Masters 2015 (MM2), collector number 197. Current market price: $0.06 (foil $0.10), TCGplayer market prices via Scryfall.
{3}{G}: Create a 1/1 green Saproling creature token. {3}{W}: Creatures you control get +1/+1 until end of turn.