Bowser

Trample

At the beginning of combat, you may choose up to one
move:
•Flying slam - {t}: target a creature and flip a coin: heads sacrifice both Bowser and target creature, tails deal damage to target creature equal to Bowser's toughness.
•Fire breath - {t}: deal 4 damage to target creature or planeswalker
•Whirling fortress - Boswer assigns damage equal to his toughness until the end of turn, tap Bowser after combat.