Carter, Watcher of Death

Hexproof, Lifelink
When "Carter, Watcher of Death" enters the
battlefield, target player gains 10 time counters.
If target player has no time counters left,
they lose the game. If target player happens
to be a mother, they get 5 time counters instead.
{u}{b}: Target player discards 3 cards.
—
"It is what it is" -Carter