Butterfly Flurry

this spell requires concentration.
while the spell is active
your movement speed doubles
you have advantage on dexterity checks and saves, but disadvantage on strength checks and saves

as a bonus action while the spell is active, you may perform a series of quick flashing attacks at a creature.
you may spend 10ft of your movement and do a DC 10 acrobatics check
you can do this up to 4 times, with the dc increasing by 5 each time.
for the number of passed checks, you may make a single weapon attack against a creature. On a hit, the target suffers the weapon attack’s normal effects.
if you manage to land all 4 attacks on the creature, they suffer disadvantage on the next saving throw against one of your spells, until the end of your next turn.