The spell "mordenkainen's faithful hound" is listed in the srd as having the material component for "mordenkainen's sword" (a tiny sword that costs a bunch of money) - the faithful hound spell only requires a whistle and a piece of bone, and a thread. M o r d e n k a in e n ’s Fa i t h f u l H o u n d 4th-level conjuration Casting Time: 1 action Range: 30 feet Components: V, S, M (a tiny silver whistle, a piece of bone, and a thread) Duration: 8 hours You conjure a phantom watchdog in an unoccupied space that you can see within range, where it remains for the duration, until you dismiss it as an action, or until you move more than 100 feet away from it. The hound is invisible to all creatures except you and can't be harmed. When a Small or larger creature comes within 30 feet o f it without first speaking the password that you specify when you cast this spell, the hound starts barking loudly. The hound sees invisible creatures and can see into the Ethereal Plane. It ignores illusions. At the start o f each o f your turns, the hound attempts to bite one creature within 5 feet o f it that is hostile to you. The hound’s attack bonus is equal to your spellcasting ability modifier + your proficiency bonus. On a hit, it deals 4d8 piercing damage.
