Bahgel, Vexing Baron

{u}{b}{g}: Gain Deathtouch until end of turn.
Whenever an opponent casts a creature
spell, you may pay it's converted mana
cost. If you do so, it is countered. Lands
tapped in this way do not untap until
your next end phase.
"My best friend but also a smug
bastard mushroom man," -MMM