Ben, Trailblazer

Menace
Whenever Ben, Trailblazer enters the battlefield,
search your library for 3 lands that say "enter
the battlefield tapped", reveal them and add them
to your hand. Then Shuffle your library.
Lands enter the battlefield untapped.
Ben, Trailblazer gets +X/+X were X is the
number of untapped lands you control.