Bloodletter of Aclazotz + Blood Tribute

Bloodletter of Aclazotz
Blood Tribute

Bloodletter of Aclazotz must be on the battlefield. Blood Tribute must be in hand. Mana needed: 4bb
  1. Cast Blood Tribute by paying 4bb, causing an opponent to lose their entire life total due to Bloodletter of Aclazotz.
  2. The opponent loses the game due to having 0 or less life.
  3. You may optionally pay Blood Tribute's kicker cost if you control an untapped Vampire to gain life equal to the chosen opponent's life total.
Infinite lifeloss for target opponent. Near-infinite lifegain. Target opponent loses the game.