Creatures you control get +3/+3 and gain trample until end of turn. (Each of those creatures can deal excess combat damage to the player or planeswalker it's attacking.)
When Lazotep Reaver enters, amass Zombies 1. (Put a +1/+1 counter on an Army you control. It's also a Zombie. If you don't control an Army, create a 0/0 black Zombie Army creature token first.)
Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for or one mana of that creature's color.)Destroy all nontoken creatures.
FlyingWhen Overseer of the Damned enters, you may destroy target creature.Whenever a nontoken creature an opponent controls dies, create a tapped 2/2 black Zombie creature token.
At the beginning of your upkeep, exile the top card of your library.During your turn, if an opponent lost life this turn, you may play lands and cast spells from among cards exiled with Theater of Horrors.: Theater of Horrors deals 1 damage to target opponent or planeswalker.
Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for or one mana of that creature's color.)Exile target attacking or blocking creature.