Rubble Rouser is a common Creature — Dwarf Sorcerer card from Secrets of Strixhaven (SOS), collector number 128. Current market price: $0.25 (foil $0.28), TCGplayer market prices via Scryfall.
When this creature enters, you may discard a card. If you do, draw a card. {T}, Exile a card from your graveyard: Add {R}. When you do, this creature deals 1 damage to each opponent.