Herald of the Host is a uncommon Creature — Angel card from Commander Masters (CMM), collector number 30. Current market price: $0.39 (foil $0.51), TCGplayer market prices via Scryfall.
Flying, vigilance Myriad (Whenever this creature attacks, for each opponent other than defending player, you may create a token copy that's tapped and attacking that player or a planeswalker they control. Exile the tokens at end of combat.)