Alter Fate

Reach through the possibilities of time and space to guide fate slight into your favor.

as a reaction to a creature you can see within range you may have them reroll an attack or saving throw adding an extra D4 to the roll

if it is in the instance of an Attack the attack does an extra D4 damage.

in the instance of a Saving Throw the roller gains 1d4 temporary hit points.

this spell scales its D4 in all regards by one D4 per level.