为 Electro, Assaulting Battery 寻找最佳的标准套牌，包括其胜率、热度，以及该牌在万智牌：竞技场中的合法赛制！
Flying
You don't lose unspent red mana as steps and phases end.
Whenever you cast an instant or sorcery spell, add .
When Bayo leaves the battlefield, you may pay . When you do, he deals X damage to target player.
