The other card I found that worked well as a supplement was Ephara's Enlightenment, a card that gives a +1/+1 counter when it attaches to a creature, then when the angel appears, the card returns to your hand (optionally), allowing you to cast it again to put another counter on the Geist
You would play a turn five Undo, and win the game
(e.g., eight "lord" effects that give all your Vampires a boost)
Brotherhood Spy's ability will trigger only if you control a legendary Assassin when your beginning of combat step begins
Fees sit in a reasonable range , especially considering the buyer quality you get, but TCGPlayer does expect clean, accurate details
Lifelink made it a perfect stabilizer, and God-Pharaoh's Gift would Reanimate it as a 4/4 while re-triggering that ETB ability