Erebos Iskios, Bloodsong

Pay 1 Life, {b}: Erebos Iskios, Bloodsong deals 2
damage to target creature.
{x}{w}{b}: Erebos Iskios, Bloodsong gains
X Power, Lifelink, and loses X Toughness
until end of turn. Erebos Iskios, Bloodsong then
fights one target creature. At the end of
the turn, Erebos Iskios, Bloodsong perpetually
gains +0/+1.