Soozh, Saint of Flowers

Whenever a land enters the battlefield under your
control, if it came from you hand, you may have
target opponent gain control of it. If you do, you
may search your library for a basic land card, put
that card onto the battlefield tapped, then shuffle.
At the beginning of each opponents upkeep, gain
2 life for each land you own that is controlled by
that opponent. If you gain 4 or more life this
way, scry 1.