Metamagic

Metamagic is a Sorcerer Class Feature that allows the user to add additional effects to magic spells in exchange for Sorcery Points.

Two metamagic types are chosen at level 2, with one additional metamagic chosen at levels 3 and 10.

List of Metamagic types

Metamagic	Level	Sorcery Points	Grants
Careful Spell	2+	1	Allies automatically succeed Saving Throws against spells that require them.
Distant Spell	2+	1	Extends the range of a spell by 50%
Extended Spell	2+	1	Double the duration of Conditions, summons, and surfaces caused by spells.
Twinned Spell	2+	1 per Spell Slot level (Cantrips are 1)	Spells that only target 1 creature can target an additional creature.
Heightened Spell	3+	3	Targets of spells that require Saving Throws have Disadvantage on their first Saving Throw.
Quickened Spell	3+	3	Spells that take an Action take a Bonus action instead.
Subtle Spell	3+	1	You can cast spells while  Silenced.