Horde of Notions is a rare Legendary Creature — Elemental card from Lorwyn Eclipsed Commander (ECC), collector number 124. Current market price: $0.19, TCGplayer market prices via Scryfall.
Vigilance, trample, haste {W}{U}{B}{R}{G}: You may play target Elemental card from your graveyard without paying its mana cost.