Nissa, Who Shakes the World is a rare Legendary Planeswalker — Nissa card from Bloomburrow Commander (BLC), collector number 84. Current market price: $5.41 (foil $5.15), TCGplayer market prices via Scryfall.
Whenever you tap a Forest for mana, add an additional {G}. +1: Put three +1/+1 counters on up to one target noncreature land you control. Untap it. It becomes a 0/0 Elemental creature with vigilance and haste that's still a land. −8: You get an emblem with "Lands you control have indestructible." Search your library for any number of Forest cards, put them onto the battlefield tapped, then shuffle.