Flamerush Rider is a rare Creature — Human Warrior card from Commander 2019 (C19), collector number 143. Current market price: $0.34, TCGplayer market prices via Scryfall.
Whenever this creature attacks, create a token that's a copy of another target attacking creature and that's tapped and attacking. Exile the token at end of combat. Dash {2}{R}{R} (You may cast this spell for its dash cost. If you do, it gains haste, and it's returned from the battlefield to its owner's hand at the beginning of the next end step.)