Zombie Horse, Dark Strider

Tap any number of target creatures you control:
Zombie Horse gains +X/+X and trample, where
X is the total power of those creatures. If
X > 5, it gains vigilance.
Escape—{3}{b}{g}{p/b}{p/g}, exile ten other cards
from your graveyard.
Zombie Horse escapes with deathtouch and haste.
A horse of darkness and death, it glides across the
land, looking for someone brave enough to ride it.