Kludde, Scourge of Everhout

Flying (This creature can't be blocked except by creatures with flying and/or reach.)
As long as Kludde, Scourge of Everhout is on
the battlefield, creatures your opponents control
enter the battlefield tapped.
Whenever Kludde, Scourge of Everhout attacks,
it becomes a 2/2 black Bird with deathtouch and flying until end of turn.