Lilith, Undead Necromancer

({p/b} can be paid either with {b} or 2 life)
({p/r} can be paid either with {r} or 2 life
Lifelink, Deathtouch
{t}When casting a Instant or Sorcery spell
you may pay it colored mana cost using life
When you cast a spell you gain 2 life