Ancient Colossus

Trample
This card costs {1} less for each Elemental creature
you control.
When this card enters the battlefield, search your library for X Forests, where X is the number of
green Elemental creature you control, put half of
them rounded down onto the battlefield tapped
and the rest in your hand, then shuffle your library.
All green Elemental creatures you control get
+1/+1 for each forest you control.