Gavorin, The Terramancer

At the beginning of each opponent's upkeep, that
player may search their library for a land and put
it onto the battlefield tapped. If they do, search
your library for a land and put it onto the
battlefield tapped. If they do not, create three 1/1
green Saproling tokens.
Tap X Saproling's: Search your library for a non
land permanent with converted mana cost X or
less and put it onto the battlefield. Shuffle your
library.