Allspell

One of the most sacred spells kept by the Ministers of Magic. This spell is the key to unlocking all fathomable spells.

You attune yourself to the world of magic, putting yourself in a harmonized magical state. For the duration of the spell, you can cast any spell you don't have by expending relevant spell slots and one of your lowest unexpended spell slots. When another creature casts Counterspell on you, you can use your reaction to automatically succeed.

When this spell ends, your connection to magic is severed temporarily. You are unable to cast any spells for 7 days.