Hyjilisk, The World Ender

Hyjilisk gets +1/+1 for each permanent on the
battlefield.
Hyjilisk gets +1/+1 for each beast and/or dinosaur
on the battlefield.
Trample, Vigilance, Menace, Descendant
Beasts and dinosaurs get +1/+1 and Trample.
Hyjilisk costs {1} less for each Beast and/ or dinosaur
on the battlefield.