为 Hydro-Man, Fluid Felon 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！
Whenever you cast a blue spell, if Belion is a creature, he gets +1/+1 until end of turn.
At the beginning of your end step, untap Belion. Until your next turn, he becomes a land and gains ": Add ." (He's not a creature during that time.)
