Antimagic Susceptibility. The seld is incapacitated while in the area of an antimagic field. If targeted by dispel magic, the seld must succeed on a Constitution saving throw against the caster's spell save DC or fall unconscious for 1 minute.
Charge. If the sled moves at least 20 feet straight toward a target and then hits it with a slam attack on the same turn, the target takes an extra 9 (2d8) bludgeoning damage. If the target is a creature, it must succeed on a DC 15 Strength saving throw or be knocked prone.
False Appearance. While the sled remains motionless, it is indistinguishable from a normal sled.
Flyby. The sled doesn't provoke opportunity attacks when it flies out of an enemy's reach.
Unusual Nature. The sled doesn't require air, food, drink, or sleep.
Slam. Melee Weapon Attack: +8 to hit, reach ft., one target. Hit: 14 (2d8+5) bludgeoning damage.