Paro, Urgash Archlich

Strenght of Life (Whenever a card with Strenght of
Life causes you to gain life, you may choose to gain
that many Strenght instead)
Pay one Strength: Add {b} to your mana pool.
Pay one Strength: Paro, Urgash Archlich gains indestructible until end of turn.
Pay two Strength: Target creature gets -1/-1
until end of turn.