Magnus the Red is a rare Legendary Creature — Demon Primarch card from Warhammer 40,000 Commander (40K), collector number 131. Current market price: $8.01, TCGplayer market prices via Scryfall.
Flying Unearthly Power — Instant and sorcery spells you cast cost {1} less to cast for each creature token you control. Blade of Magnus — Whenever Magnus the Red deals combat damage to a player, create a 3/3 red Spawn creature token.