Sabryn, the Dire Fang

Sabryn, the Dire Fang can't be blocked.
Whenever Sabryn deals combat damage to a
player, if that player sacrificed a creature this
turn, that player sacrifices a creature. If that
player discarded a card this turn, that player
discards a card. If a spell or ability caused that
player to lose life this turn, that player loses 2
life. (Damage causes loss of life.)