When Boreal Wanderer enters the battlefield, tap target artifact or creature an opponent controls. If ❄ was used to cast this spell, that creature or artifact doesn't untap during its controller's next untap step. (❄ can be paid with one mana from a snow source.)
MythicSpoiler is a dedicated visual spoiler, designed to let you EXPLORE, DISCOVER and EXPERIENCE
new Magic the Gathering sets in a simple, sortable gallery.