为 Doctor Spectrum 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
When Doctor Spectrum enters, choose one −
* Create a 0/4 colorless Wall creature token with defender.
* Put a +1/+1 counter on each other Hero you control.
* Destroy target enchantment.
