Zeke, The Ultimate Necromancer

Other zombies you control have flying, lifelink, and
"When this creature attacks, connive 1"

Exile two cards from your graveyard: Create a
tapped 2/2 black Zombie creature token.

Pay 5 Life: You may play cards from your graveyard
until end of turn.

Pay {5}{p/c}{p/u}{p/b} at the beginning of your upkeep or transform Zeke.