Runeforge Champion is a rare Creature — Dwarf Warrior card from Kaldheim (KHM), collector number 339. Current market price: $0.36 (foil $0.26), TCGplayer market prices via Scryfall.
When this creature enters, you may search your library and/or graveyard for a Rune card, reveal it, and put it into your hand. If you search your library this way, shuffle. You may pay {1} rather than pay the mana cost for Rune spells you cast.