Maha Vailo, Crossover Mage

Trample, vigilance
If you casted a sorcery or instant spell this
turn you may pay {1}{w}{b}: Exile target
nonland permanent until Maha Vailo, Crossover Mage leaves the battlefield. This
card gets +1/+1 for each card exiled this way.
The ultimate wizard in terms of attack and defense.