Seer

As a minor role, when you finish a long rest, roll 1d20 and record the number rolled. You can replace any attack roll, saving throw, or ability check made by a creature that you can see with one of these foretelling rolls. You must choose to do so before the roll.
  As a major role, when you finish a long rest, roll two d20s and record the numbers rolled. You can replace any attack roll, saving throw, or ability check made by you or a creature that you can see with one of these foretelling rolls. You must choose to do so before the roll, and you can replace a roll in this way only once per turn. In addition you gain the ability to cast guidence   At level 8 When an ally you can see within 30 feet of you rolls a 1 on the d20 for an attack roll, an ability check, or a saving throw, you can use your reaction to let the ally reroll the die. The ally must use the new roll. As a minor role you can use this feature once per long rest and once per short rest as a Major role.