Shade Of Arkanis

Haste, Fear, Flying.
Other creatures you control have fear.
Shade Of Arkanis's power and toughness is equal
to the number of creatures you control with fear.
Spells can't be cast from graveyards. When
Shade Of Arkanis enters the graveyard, exile all
graveyards and add {b} for each creature exiled
this way.