Emilia, Guided by Spirits

Permanents with ice counters do not untap
{1}{t}: Put an ice counter on target creature you
don't control. It gains "{1}: remove an ice counter
from this creature". Draw a card.
When Emilia dies, tap all permanents
your opponents control. They do not untap
during their next untap step. At the
beginning of your next upkeep,
you lose the game.