Broodbirth Viper is a uncommon Creature — Snake card from The List (PLST), collector number C15-10. Current market price: $0.37, TCGplayer market prices via Scryfall.
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.) Whenever this creature deals combat damage to a player, you may draw a card.