Purphoros's votary

Piety 10+

as a devotee of Purphoros, you have drawn the notice of the forge god with your skill. you can cast shield of Faith with this trait, requiring no components, a number of times equal to your intelligence modifier (minimum of once ). you regain all expended uses when you finish a long rest.

you can cast heat metal with this trait, requiring no material components. once you cast the spell in this way, you can’t do so again until you finish a long rest.  

in addition you know the mending can trip. 

intelligence is your spell costing ability for these spells.

you have advantage on saving throws against being knocked prone