As a spellcaster’s knowledge of magic grows, she can learn to cast spells in ways slightly different from the ways in which the spells were originally designed or learned. Preparing and casting a spell in such a way is harder than normal but, thanks to metamagic feats, at least it is possible.

Just before I fall asleep, I like to pretend it's just a public feat so Pigeon can succeed in politics and save the world from poverty... with his unicorn and shining armour and Excalibur.