Cheat

Divination cantrip
Casting time: 1 bonus action
Range: Self
Target: Self
Components: S, M (a weighted die)
Duration: 1 round
Classes:
Subclasses:

You subtly twist your fingers, and fate seems to follow suit. For the duration, you can reroll any ability check you make to play nonmagical games of skill. Therefore, this spell could influence a game of poker, but not the result of a deck of many things.