Korozda Guildmage is a uncommon Creature — Elf Shaman card from Commander 2015 (C15), collector number 224. Current market price: $0.21, TCGplayer market prices via Scryfall.
{1}{B}{G}: Target creature gets +1/+1 and gains intimidate until end of turn. (It can't be blocked except by artifact creatures and/or creatures that share a color with it.) {2}{B}{G}, Sacrifice a nontoken creature: Create X 1/1 green Saproling creature tokens, where X is the sacrificed creature's toughness.