Arïe's Very Silly Hat

This hat is extremely silly so much so that it is said that whoever crafted it's still haunted by it, the hat is painted in the colors of the rainbow and has a tiny propeller on the top with a tiny arrow engraved on one of the ends of the propeller that spins magically. 

While wearing this hat you subtract your proficiency score from your persuasion check, since nobody can take you seriously. You also gain Expertise in Deception but only after you do something "Silly" on that day.  

Additionally, 3 times a day you can make the propeller stop, depending on which color it lands one of the following effects triggers, Targeting every creature on the battlefield. for every effect activated you can choose to take 4d10 psychic Damage to make the effect only target Allies or Only target enemies. You can choose on which table you're rolling in, this must be declared before rolling.

Battle Effect (1d8):

1 - Red: All Damages are made at Advantage.

2 - Orange:  All Damage is Halved. If a creature already has resistance to a type of damage it counts as an immunity, if a creature has immunity to type of damage it starts healing from that damage type.

3 - Yellow: Toss a coin instead of rolling for attacks on heads you hit on a tail you miss.

4 - Green: Heal for half your total amount of Hit Dies.

5 - Blue: All Attacks, Saving Throw and Ability checks Are made at advantage, and when You Critically Hit You duplicate the result of your damage Die instead of rolling all the dice again.

6 - Indigo: The propeller on the hat start spinning very fast, you gain a flying spin equal to your walking speed.

7 - Violet: Anybody who critically misses a saving throw receives double the damage, Additionally the critical threshold for critical misses increase to 1-2.

8 - in between 2 colors: Roll two times and get two effects that activate, if one of the rerolls lands again in between 2 colors no Effect activates, if both rerolls land in between 2 all effects activate at the same time.

Mundane Effect 1d8:

1 - Red: Everybody on a 60 feet radius gets a nose bleed, and takes 1d4 damage until a Wis Saving Throw 15 is passed. 

2 - Orange: You gain proficiency in 3 skill of your choice until the next long rest you take. 

3 - Yellow: Toss a coin instead of rolling for Saving throw and Skill checks, on heads you hit on a tail you miss.

4 - Green: Everybody that can see you can only walk backwards and must perform a Dexterity saving throw (cd12) to not fall into the ground prone, Additionally in a failed save a creature takes 1d6 damage.

5 - Blue: Everybody in a 30 ft radius, gains a 1st level spell slot, they can cast any first level spell with this spell slot using any modifier of their choice. This spell slot persists until the next long rest you take. 

6 - Indigo: Everybody that can see you gets a sudden urge to do a back flip, Roll an Acrobatics check DC 16, on a failed check a creature falls unconscious after hitting their head, and must start rolling Dead Saving Throws, After three rounds.

7 - Violet: A duplicate of the hat a appears on the head of a random creature that can see you with all its charges but disappears after a long rest.

8 - in between 2 colors: Roll two times and get two effects that activate, if one of the rerolls lands again in between 2 colors no Effect activates, if both rerolls land in between 2 all effects activate at the same time.

The Triggered Effect last for one minute unless specified otherwise or until you roll for another effect. 

Notes: Putting the hat on and spinning the Tiny propeller on the top 3 times until it stops.