arcane quartet

choose up to four spells you know of eight level or lower, if can you hold your concentration for four rounds and cast no spells while doing so, you cast them simultaneously on your turn during your action on the fourth round using mage hand and magic mouth, you still need to provide the material components for each spell you choose if they have any aswell as the spell slots for each and arcane quartet. (requires mage hand, and magic mouth spells to be known)