Hungry Cockatrice

Hungry Cockatrice must attack each combat if
able.
{1}: Hungry Cockatrice gains flying until end of
turn.
{1}{p/b}{p/b}:Hungry Cockatrice gains first srike,
deathtouch, menace and "must be blocked by at
least one creature this turn".
{1}{p/g}{p/g}:Hungry Cockatrice gains unblockable and
double strike until end of turn.