Nissa, Worldsoul Speaker 
Legendary Creature — Elf Druid
Landfall — Whenever a land you control enters, you get 
(two energy counters).
You may pay eight rather than pay the mana cost for permanent spells you cast.
Legality
standardNOT LEGALpioneerNOT LEGALmodernNOT LEGALlegacyLEGALvintageLEGALcommanderLEGAL