When Berg Strider enters the battlefield, tap target artifact or creature an opponent controls. If was spent to cast this spell, that permanent doesn't untap during its controller's next untap step. ( is mana from a snow source.)
The information presented on this site about Magic: The Gathering, both literal and graphical, is copyrighted by Wizards of the Coast.
This website is not produced, endorsed, supported, or affiliated with Wizards of the Coast.