Keen Sight. The chameleon has advantage on Wisdom (Perception) checks that rely on sight.
Camouflage. The Chameleon has advantage on Dexterity (Stealth) checks involving sight.
Vine Climber. The Chameleon has advantage on Dexterity (Acrobatics) to climb across thin surfaces such as vines or ropes without needing to make an ability check.
Tongue Jab. Ranged Weapon Attack: +0 to hit, range 10 ft., one target. Hit: the target is grappled(escape DC 8) and can be dragged into chameleon's space if smaller than the chameleon. Until this grapple ends, the chameleon can't use its tongu on another target.
Bite. Melee Weapon Attack: +0 to hit, reach 5 ft., one target. Hit: 1 piercing damage.
Transmit Spell. Familiar can transmit a touch-range spell to a target in their wizard's stead.
Enter the description for how legendary actions work for your monster here.
Legendary Action Name (Costs # Actions). Enter the description for your legendary action.
Description
A familiar taking the form of a chameleon