Nissa, Worldsoul Speaker is a rare Legendary Creature — Elf Druid card from Aetherdrift Commander (DRC), collector number 29. Current market price: $0.29, TCGplayer market prices via Scryfall.
Landfall — Whenever a land you control enters, you get {E}{E} (two energy counters). You may pay eight {E} rather than pay the mana cost for permanent spells you cast.