Mausoleum Turnkey

When Mausoleum Turnkey enters, return target creature card of an opponent's choice from your graveyard to your hand.

Swamp

Return up to two target creature cards from your graveyard to your hand, then discard a card.

When Infectious Host dies, target player loses 2 life.

Enchant creature
Whenever enchanted creature deals combat damage to a player, you may return target creature card from your graveyard to your hand.

Douse in Gloom deals 2 damage to target creature and you gain 2 life.

As an additional cost to cast this spell, pay X life.
Each other player loses X life.