Cerberus, Guardian of Hells

X is the number of creatures in your graveryard.
Cerberus, Guardian of Hells power and toughnes
are *, where * is equal to de number of creatures
in your graveyard.
If power of Cerberus, Guardian of Hells are 3 or
more it gains lifelink, if it's 4 or more it gains
trample, if it's 5 or more it gains deatoutch, if it's
9 or more it gains indestructible.