Ral, Emperial Adventurer

+3: Scry 2, then put an Electricity artifact token onto the battlefield. If you put a card on the bottom of your library, get an Electricity token.
-1: Ral, Emperial Adventurer deals 2 damage to target creature or player. Put two Electricity artifact tokens onto the battlefield.
-7: You get an emblem with 'Whenever you cast a spell, this emblem deals damage to target opponent equal to the amount of Electricity you have.'