Planeshift Tarkir
Reckless. At the start of its turn, the den protector can gain advantage on all melee weapon attack rolls during that turn, but attack rolls against it have advantage until the start of its next turn.
Siege Monster. The den protector deals double damage to objects and structures.
Greataxe. Melee Weapon Attack: +5 to hit, reach 5 ft., one target. Hit: 9 (1d12 + 3) slashing damage.