Bobby Drake, Iceman

Flying, snow landwalk
{2}{u}, {t}: Tap target creature, that creature does not untap during its controllers next untap phase.
{1}{u}{u}, {ut}: Tap target land, that land becomes a snow type in addition to its other types until end of turn.
Oh... sorry! Was that cold? Just be glad it wasn't Wolverine giving you the wake-up call!