mi-gu swarm mother

flying.sintony.
when i enter the battlefield use cascade x times.
horros you control have syntony and +1/+1.
{w/u}:target player or creature gains hexproof until
end of turn .you get a mdness counter.
{u/b}: use surveil 2 or target oponente mill 2 cards.
you get a madness counter.
{w/b}:untap target creature or target creature gets a
-1/-1 counter .you get a madness counter