Exploding Toad

Amphibious. The toad can breathe air and water.

Final Croak. When the toad is reduced to 0 hp, it explodes in a 10-foot-radius sphere. Each creature in the area must make a DC 11 Dexterity saving throw, taking 10 (3d6) fire damage on a failed save, or half as much damage on a successful one.

Mad Hopping. Ranged attacks against the toad have disadvantage.

Selective Immunity. When an attack or effect deals fire damage to the toad, the toad can choose to take the fire damage as if it were not immune.

Standing Leap. The toad's long jump is up to 10 feet and its high jump is up to 5 feet, with or without a running start.

Bite. Melee Weapon Attack: +3 to hit, reach 5 ft., one target. Hit: 3 (1d4 + 1) piercing damage.

Death Leap. The exploding toad can turn an attack that missed it into a hit or turn a successful saving throw into a failure.