Storm Herald is a rare Creature — Human Shaman card from Theros Beyond Death Promos (PTHB), collector number 156p. Current market price: $0.30, TCGplayer market prices via Scryfall.
Haste When this creature enters, return any number of Aura cards from your graveyard to the battlefield attached to creatures you control. Exile those Auras at the beginning of your next end step. If those Auras would leave the battlefield, exile them instead of putting them anywhere else.