Ambrea, Voice of Worldtree

Defender, Regenerate {1}{w/b}{b/g}
Landfall: Ambrea loses Defender and gets +1/+0
until end of turn, you may pay {w/b}, if you do
Ambrea gains Lifelink until end of turn.
When Ambrea, Voice of Worldtree enters the battlefield or deals combat damage to an opponent
you may search your library for a land card and
put it onto the battlefield tapped. Shuffle your
library. If that land was a basic land Scry 2.