Nuishia, Bane of the Brave

Deathtouch, Haste, Menace, Relentless (All creatures block this creature if able.)
When Nuishia, Bane of the Brave enters the battlefield, target opponent reveals their hand.
You choose a green or white creature card from it and exile that card.
{1}{b}, Sacrifice another Warrior creature: Target
player loses X life and you gain X life, where X is
the sacrificed creature's power.