Amulet of Mischeif

If you roll a 1 or natural 20 on any D20 roll the amulet activates and causes a random effect to happen. (roll percentile dice and see table below). Once the amulet has been donned for over 5 days, it is bound to the wearer and can not be removed unless the wearer is killed.

Most effects can be removed with a Remove Curse Spell

1. You become clumsy for 1d4 hours
2. All attack rolls made gets a +5 for 1 minute
3. You are careless about everything including fighting for 1d4 hours
4. You are alert for 1d4 hours, and nothing can surprise you
5. You are scared of everything that is taller than you or smaller than you for 1d4 hours
6. You get advantage on any creature that is larger or smaller than your size for 1 minute
7. You are deathly honest about everything for 1d4 hours
8. Everyone believes what you say is truth and doesn't doubt you for 1d4 hours
9. You speak everything that is going through your head for 1d4 hours
10. You gain telepathy for 1d4 hours
11. You cant speak, read, or write for 1d4 hours
12. You can speak, read, and write all languages for 1 hour
13. Your tongue is tied and no one can understand you for 1d4 hours
14. You gain telekinesis for 1d4 hours
15. You are self-conscious about every little thing for 1d4 hours
16. You are confident and feel unstoppable for 1d4 hours
17. You become colorblind for 1d4 hours
18. You have a passive perception of 30 for 1d4 hours
19. You can only lie for 1d4 hours
20. You gain a +10 to all insight checks for 1d4 hours
21. You become deaf for 1d4 hours
22. Your ears can hear and identify any creature in a 100ft radius, even around corners and through walls for 1d4 hours
23. You are blind for 1d4 hours
24. You can in darkness and magical darkness as if it were daylight, and nothing can blind you for 1d4 hours
25. You are scared of bald people for 1d4 hours
26. You can not be frightened as a condition for 1d4 hours
27. You are scared of people with long hair for 1d4 hours
28. You can scry in any room at any time for 1d4 minutes even without the spell
29. You become as a child…very annoying for 1d4 hours
30. You get a +10 to Animal Handling checks for 1d4 hours
31. You have allergies that cause you to sneeze uncontrollably for 1d4 minutes
32. You get a +10 to Stealth checks for 1d4 hours
33. You have allergies that cause you to break out in pox for 1d4 minutes
34. You get a +10 to Nature checks for 1d4 hours
35. You are extremely itchy for 1d4 minutes
36. You gain a +10 to medicine checks for 1d4 hours
37. You are extremely flirtatious for 1d4 hours
38. You gain a +10 to all persuasion checks for 1d4 hours
39. You are compelled to have sex with anything of the opposite sex for 1d4 minutes
40. You are compelled to have sex with anything of the same sex for 1d4 minutes
41. You see hallucinations for 1d4 minutes
42. You can not be charmed or put to sleep by any magical means for 1d4 hours
43. You become thirsty for blood till you drink the blood of something
44. You gain the benefits of a short rest immediately
45.  You go insane for 1d4 minutes
46. You gain the benefits of a long rest immediately
47. You are scared of animals for 1d4 minutes
48. You have the ability to command/control all animals around you for 1d4 minutes
49. You are scared of water for 1d4 hours
50. You can breathe water and move underwater as if it were land for 1d4 hours
51. You are scared of fire for 1d4 hours
52. You are immune to fire for 1d4 hours
53. You are scared of heights for 1d4 hours
54. You grow wings and can fly for 1d4 hours 
55. You find everything funny for 1d4 hours
56. Your eyes have True Sight for 1d4 hours
57. You become sensitive to sunlight for 1d4 hours
58. You become sensitive to moonlight for 1d4 hours
59. You become very shaky and have disadvantage on all ranged attacks for 1d4 minutes
60. You have advantage on all ranged attacks for 1d4 minutes
61. You cant stop whistling the last tune you remember for 1d10 minutes
62. You gain a +10 to History checks
63. You cant eat meat for 1d4 days
64. You cant eat any plants for 1d4 days
65. You get sick at the sight of blood for 1d4 hours
66. You are immune to Poison damage for 1d4 hours
67. You pee yourself
68. You gain a +10 to all Constitution saving throws for 1d4 hours
69. You pass out for 1d6 minutes and are presumed dead
70. You can communicate with the dead for 1d4 minutes
71. You are lost and disorientated for 1d4 minutes
72. You gain advantage on all Wisdom rolls for 1d4 hours
73. You forget the last 10 minutes ever happened
74. You gain advantage on all Intelligence rolls for 1d4 hours
75. You are frozen in a block of ice for 1d4 hours
76. You can phase through any object for 1d4 hours
77. You grow long claws for 1d4 minutes
78. You can climb any surface with no movement penalty for 1d4 hours
79. You grow a long tail for 1d4 minutes
80. For every attack you can normally make triple it for one turn
81. You become invisible for 1d4 hours
82. You Shapeshift into any creature of your choosing for 1d4 hours
83. You blink in and out of existence every 5 minutes for 1d4 hours
84. You can contact another plane and ask any 3 questions you'd like
85. You are transported to the spot you were standing 5 minutes ago
86. You can teleport to any spot you can see anytime you say 'Bye"
87. You grow a beard 1d12 inches long for 1d4 hours
88. You lose all the hair on your body for 1d4 hours
89. You begin to float in the air as if there is no gravity for 1d12 minutes
90. All attacks are a critical for 1d4 minutes
91. You become the opposite sex for 1d12 minutes
92. You can summon a minor elemental that stays for 1d4 hours
93. You turn into an animal of the DM’s choice
94. You can polymorph into any small to large creature on command
95. You hear voices in your head compelling you to do things for 1d8 minutes
96. Time freezes around you for 1d4 minutes
97. Your skin changes to a color you hate for 1d4 hours
98. You gain a +10 to all Charisma checks for 1d4 hours
99. You gain a Gnome army that obey your command (20 Gnome fighters that follow you around till they all die[They are mute and only obey your orders])
100. You open a portal to the Far Realm for 1d4 minutes

Notes: Must be on a single person for 5 days to attune, and if it is removed (If not being attuned to another person) its effects still take place