Izoni, Thousand-Eyed is a rare Legendary Creature — Elf Shaman card from Guilds of Ravnica (GRN), collector number 180. Current market price: $0.37 (foil $0.80), TCGplayer market prices via Scryfall.
Undergrowth — When Izoni enters, create a 1/1 black and green Insect creature token for each creature card in your graveyard. {B}{G}, Sacrifice another creature: You gain 1 life and draw a card.