Two

Indestructible, Can't be Countered
When Two enters the battlefield, search your
library for a card named The Power of Two, and
put it onto the battlefield. Shuffle your library.
{3}{g/u}: Gain control of target land. Tap it.
{3}{g/w}: Return a creature from a graveyard
to the battlefield under its owner's control.
{4}{w/u}: Exile all creatures you control, then return
them to the battlefield at the beginning of next
end step under your control.