Elk

Ram. Melee Weapon Attack: +4 to hit, reach 5 ft., one target. Hit: 5 (1d6+2) bludgeoning damage. If the target is a creature and the elk moves at least 20 feet straight towards the target before the attack the target makes a DC 12 Strength saving throw falling prone on a failure.

Hooves. Melee Weapon Attack: +4 to hit, reach 5 ft., one prone creature. Hit: 7 (2d4+2) bludgeoning damage.