Gahlta king among dinos

Trample, other dinosaur you control have trample
This spell cost {x} lest cast where {x} is the power amongst dinosaur you control
When gahlta king among dinos enter you may put any number of creatures onto the battlefield.
Whenever you attack create x/x dinosaur token where x is the greatest power among dinosaurs you control
When gahlta king among dinos hit’s a player reveal that many cards from the top of your library and put all dinosaur revealed this way onto the battlefield.
Other dinosaurs y