Uranus

Uranus enters the battlefield tapped. Instead of untapping during the untap phase, tap Uranus. Uranus has {x} ring tokens
{1}: Untap Uranus
{t},{3}, Sacrifice a ring token: Permanently tap a card.
{t},{10}, Sacrifice Uranus, Must have no ring tokens remaining: Tap every card in play. They untap on your next untap phase. Vigilance does not work for your opponents for the rest of the game.