Rankle and Torbran is a rare Legendary Creature — Faerie Dwarf card from March of the Machine (MOM), collector number 315. Current market price: $0.31 (foil $0.42), TCGplayer market prices via Scryfall.
Flying, first strike, haste Whenever Rankle and Torbran deals combat damage to a player or battle, choose any number — • Each player creates a Treasure token. • Each player sacrifices a creature of their choice. • If a source would deal damage to a player or battle this turn, it deals that much damage plus 2 instead.