Eyeblight Cullers is a common Creature — Elf Warrior card from Commander Legends (CMR), collector number 124. Current market price: $0.22 (foil $0.16), TCGplayer market prices via Scryfall.
When this creature dies, create three 1/1 green Elf Warrior creature tokens, then mill three cards. (Put the top three cards of your library into your graveyard.)