Hyrol, Fading Demon

Swampwalk, hexproof, deathtouch
Creatures you control with swampwalk get +3/+3
{b}{b}{b}{b}, {t}: Create a 2/1 Hyrol Spawn creature token with swampwalk.
{ut}: Lose 2 life.
Tap all creatures you control with swampwalk: Return Hyrol, Fading Demon from the graveyard to play.
Hyrol, Fading Demon's power and toughness are equal to the amount of creatures with swampwalk you control.