Overclocked Electromancer [Modern Horizons 3 Commander]

Set: Modern Horizons 3 Commander Type: Creature — Lizard Wizard Rarity: Rare Cost: {2}{R} At the beginning of combat on your turn, you may pay {E}{E}{E}. If you do, put a +1/+1 counter on Overclocked Electromancer.Whenever Overclocked Electromancer attacks, double its power until end of turn.Whenever Overclocked Electromancer deals combat damage to a creature, if that creature was dealt excess damage this turn, you get X {E}, where X is that excess damage.