Anissa, Worldshaker

: Whenever you tap a Forest for mama, add an additional green mana cost.
+1: Put three +1/+1 counters on one target noncreature land you control. Untap it. It also becomes a 0/0 Elemental creature with vigilance and haste.
-8: You get an emblem with "Lands you control have indestructible." Search your library for all Forest cards, play tapped, then shuffle your library.