Phyrexian Planar-Intruder

Crew 1 - While Phyrexian Planar-Intruder is a creature it's power and toughness are equal to the number of creatures tapped to crew it and it gains the following abilities:
{t}: create a 1/1 black Horror creature token.
{t} Sacrifice two tapped creatures: Place four -1/-1 counters on target creature.
{t}Sacrifice ten tapped creatures: create an emblem with "Phyrexian Planar-Intruder gains +10/+10, flying, indestructible and infect".