Taliyah natures engineer

+1: you get (two energy counters), then get x green mana where x is half your energy counters
-3: you get (three energy counters), then you may pay any amount of energy, Taliyah natures engineer deals that mush damage to any target
-8: you gain an emblem with "on you upkeep scry X where X is a third of you energy counters. pay 4 energy counters to draw a card."