Pyrewild Shaman is a uncommon Creature — Goblin Shaman card from Modern Masters 2017 (MM3), collector number 106. Current market price: $0.15 (foil $0.19), TCGplayer market prices via Scryfall.
Bloodrush — {1}{R}, Discard this card: Target attacking creature gets +3/+1 until end of turn. Whenever one or more creatures you control deal combat damage to a player, if this card is in your graveyard, you may pay {3}. If you do, return this card to your hand.