5e SRD 5.2.1 · 5.2.1
Trident of Fish Command
Gameplay Toolbox > Trident of Fish Command
Weapon (Trident), Uncommon (Requires Attunement) This magic weapon has 3 charges, and it regains 1d3 expended charges daily at dawn. While you carry it, you can expend 1 charge to cast Dominate Beast (save DC 15) from it on a Beast that has a Swim Speed.