Xan'agar, Master of Blades

Hatred (Whenever a player loses life from a source
other than combat damage, reveal the top card of your library. If it's an instant or sorcery card, this creature
deals 1 damage to target creature or planeswalker.
You may put that card into your hand.)
{b/r}, {t}: Xan'agar, Master of Blades deals 1
damage to target player.
"Death is inevitable, just a matter of time. I'm here to
carry out the sentence."