Lonely Rider of Phyrexia

When Lonely Rider of Phyrexia enters the battlefield, if {p/b} was paid with life, Lonely Rider of Phyrexia deals X damage to all other non-Zombie creatures, where X is the amount of life paid to cast.
{p/b}{p/b}: Lonely Rider of Phyrexia deals 2 damage to target permanent, if {p/b} was paid with life.