Ravnagesh, Hydra King

Trample
Whenever Ravnagesh, The Hydra King
enters the battlefield give all creatures your
opponents control -2/-2 then search your library
for a land permanent and put it onto the
battlefield tapped.
{4}{g}: Give all creatures your opponents
control -2/-2 then give all creatures you control
+2/+2 until end of turn.