Sylvanas, the Forsaken Queen

Eminence - As long as Sylvanas, the Forsaken
Queen is in the command zone or on the battlefield, other Scourge creatures you control
get +1/+1. (Zombies, Skeletons, and Spirits are Scourge creatures)
First strike, deathtouch, reach
Scourge creatures you control can help you pay
for this spell. Each scourge creature you tap
while casting this spell pays for (1).