Looming Shade

{B}: This creature gets +1/+1 until end of turn.

Lord of the Undead

Other Zombie creatures get +1/+1.
{1}{B}, {T}: Return target Zombie card from your graveyard to your hand.

When this creature enters, each player loses 1 life.

Whenever an opponent discards a card, this enchantment deals 2 damage to that player.

{B}, Sacrifice a creature: Target opponent reveals their hand. You choose a card from it. That player discards that card. Activate only as a sorcery.

Target player discards a card for each Swamp you control.

{B}{B}, Pay half your life, rounded up: Destroy target nonblack creature. It can't be regenerated.

All creatures get -1/-1 until end of turn.