Sorcerer

Sorcerer: Metamagic

From 5th level, you know two metamagic options. You know three option at 10th level and four option at 17th level.

Whenever you finish a long rest, you can replace any metamagic option you know with another metamagic option.

Metamagic

Empowered Spell

When you cast a spell, you can expend 1 sorcery point to empower the spell when you cast it. Roll damage for the spell twice using the higher total.