Feat	Description	Prerequisites	Source
Arcane defense	You can resist spells from a chosen school of magic better than normal	Spell focus in the school chosen	T&B p38
Augment summoning	Your summoned creatures are better than normal	Spellcaster level 2nd+	T&B p39
Bloodcasting	Through Bloodletting your spells become more powerful	Must be able to cast at least 1 level of arcane spells, or be a divine caster of a diety that allows this feat.	Website
Chain spell	You can cast spells that arc to other targets in addition to the primary target	Any other metamagic feat	T&B p39
Controlled burst	You have greater control over burst spells	None	Website
Cooperative Casting	You can cast spells to greater effect in conjunction with others.	Any other metamagic feat	Website
Craft Charged Item	Create magic items such as wands and staves	Caster level 5th+	Website
Craft Constant Item	Create magic items such as rings	Caster level 12th+	Website
Craft Magic Arms and Armor	Create magic weapons, armor and shields	Caster level 5th+	Website
Craft Single Use Item	Create magic items such as potions and charms	Caster level 3rd+	Website
Craft Spell Completion Item	Create magic items such as scrolls	Caster level 1st+	Website
Delay spell	You can cast spells that take effect after a short delay of your choosing	Any other metamagic feat	T&B p39
Empower spell	Increase spell's variable, numeric effects by 50%	None	PHB p93
Energy admixture	You can modify a spell that uses one type of energy to mix in an equal amount of another type of energy	Energy substitution, one other metamagic feat, Knowledge (arcania) 5+	T&B p39
Energy substitution	You can modify a spell that uses one type of energy to use another type of energy	Any other metamagic feat, Knowledge (arcania) 5+	T&B p40
Eschew materials	You can cast spells without material components	Any other metamagic feat	T&B p40
Enlarge spell	Double spell's range	None	PHB p94
Extend spell	Double spell's duration	None	PHB p94
Extra slot	You can cast an extra spell	Spellcaster level 4th+	T&B p40
Extra spell	You can learn one more spell	Spellcaster level 3rd+	T&B p40
Greater spell focus	Choose a school of magic which you have the spell focus feat for. Your magic spells of that school are now even more potent	Spell focus	T&B p40
Greater spell penetration	Your spells are especially potent, defeating spell resistance more readily than normal	Spell penetration	T&B p40
Heighten spell	Cast spells at higher level	None	PHB p95
Improved familiar	You may choose your familar from a nonstandard list.	Ability to have a familar, compatible alignment	T&B p40
Innate spell	You have mastered a spell so thoughly you can now cast it as a spell-like ability	Quicken spell, Silent spell, Still spell	T&B p41
Maximize spell	Maximize spell's variable, numeric effects	None	PHB p97
Persistent spell	You make one of your spells last all day	Extend spell	T&B p41
Quicken spell	Cast spells as a free action	None	PHB p98
Reach spell	You can cast touch spells without touching the spell recipient	None	DotF p20
Sacred spell	Your damaging spells are imbued with divine power	None	DotF p20
Sanctum spell	Your spells have a home ground advantage	Any other metamagic feat	T&B p41
Sculpt spell	You can alter the shap of a spells area	Any other metamagic feat	T&B p42
Silent spell	Cast spells without a verbal component	None	PHB p100
Spell focus	Your spells of a particular school are more potent than normal	None	PHB p85
Spell mastery	You can prepare a number of spells without reference to a spellbook	Wizard	PHB p54
Spell penetration	Your spells are especially potent, breaking through spell resistance more readily than normal	None	PHB p85
Spell specialization	You deal more damage with ray or energy missile spells	Weapon focus (ray or energy missile spells), Spellcaster level 4th+	T&B p42
Split Mind	You have learned to shield part of your mind to concentrate while you perform other actions	Mentalist Class, Iron Will	Website
Split ray	You can affect two targets with a single ray	Any other metamagic feat	T&B p42
Still spell	YCast spells without somatic components	None	PHB p101
Subdual substitution	You can modify a spell that uses energy to deal damage to deal subdual damage	Any other metamagic feat, Knowledge (arcania) 5+	T&B p42
Twin spell	You can cast a spell simultaneously with another spell similar to it	Any other metamagic feat	T&B p42
War spell	Your selected spells target more creatures in combat.	Caster level 3	website
Widen spell	Double spell's area	None	PHB p102