Belchero, Head Mistress

White whistles you control get +3+3 and gain Vigilance.

Black whistles you control get +3+3.

Purple whistles you control get +2+2 and gain Haste.

Blue whistles you control get +1+1 and gain Haste.

Red Whistles you control get +1+1.

{2}{u}{r}{g}: Destroy target non-land, non-delver permanent.