Juliet Capulet

Partner with Romeo Montague
When Juliet Capulet blocks or becomes blocked by a creature named Romeo Montague, remove both from combat, put a love counter on each of them, and untap them. You and Romeo Montague's controller gain X life, where X is the total number of love counters on Juliet Capulet and Romeo Montague.
When Juliet Capulet dies, Romeo Montague's controller sacrifices Romeo Montague.