Maular, the Next Evolution is a rare Legendary Creature — Dinosaur Mutant card from Mystery Booster: Commander Edition (MBC), collector number 31.
Rulebreaker — A deck with this commander can have creature cards with mana value 7 or greater of any color identity and any basic land cards. Whenever a creature you control with mana value 7 or greater attacks, double its power and toughness until end of turn.