Aldren, War Scarred

Aldren, War Scarred's power is equal to the
number of creatures your opponents control.
If Aldren, War Scarred's power is 2 or greater, it
gains Lifelink. If Aldren, War Scarred's power is
4 or greater, it gains First Strike. If Aldren, War Scarred's power is 6 or greater, it gains Vigilance.
If Aldren, War Scarred's power is 8 or greater, attacking creatures you control gain +0/+4.
"I bring Tyr's justice."