Fortune Teller.

Oddlewin can cast the Augury spell as a ritual, using cards as the material component.

Nilbogism.

Any creature that attempts to damage Oddlewin must first succeed on a DC 12 Charisma saving throw or have the charmed condition until the end of the creature's next turn. The creature must use its action praising Oddlewin.

Oddlewin can't regain hit points, including through magical healing, except through his Reversal of Fortune reaction.

Actions

Fool's Scepter.

Melee Weapon Attack: +4 to hit, reach 5 ft., one target. Hit: 5 (1d6 + 2) bludgeoning damage.

Cloud of Cards.

Oddlewin conjures magical cards that slash at the air in a 5-foot cube within 60 feet of Oddlewin until the start of Oddlewin's next turn. A creature that starts its turn in the cube or that enters that area for the first time on a turn takes 10 (4d4) slashing damage.

Spellcasting.

Oddlewin casts one of the following spells, using Charisma as the spellcasting ability (spell save DC 12):

At will: Mage Hand, Tasha's Hideous Laughter

Bonus Actions

Nimble Escape.

Oddlewin takes the Disengage or Hide action.

Reactions

Reversal of Fortune.

In response to another creature dealing damage to Oddlewin, Oddlewin reduces the damage to 0 and regains 9 (2d8) hit points.