Glacial Thaw

When Glacial Thaw enters the battlefield, put X
Thaw counters it.
{t}, {x}, {x}: Remove X counters from X perm-
anents divided equally among them, where X is
the amount of mana used to activate and remove
one Thaw counter from Glacial Thaw.
When no Thaw counters remain on Glacial
Thaw, sacrifice it and search your library for two
basic lands of any color. Put one on the
battlefield tapped and the other in your hand.
Shuffle your library.