Soulbond As long as Tandem Lookout is paired with another creature, each of those creatures has "Whenever this creature deals damage to an opponent, draw a card."
As an additional cost to cast this spell, sacrifice a creature. Destroy target creature.
Witches of the Split-Eye Coven speak of a future when Grixis will overflow with life energy. For now, they must harvest vis from the living to fuel their dark magics.
When Corpse Connoisseur enters the battlefield, you may search your library for a creature card, put that card into your graveyard, then shuffle. Unearth {3}{B}
There came a rush, a sudden fire in the mind. Then the two saw only the sooty fog of madness, heard only the crackling of their last thoughts burning away.
When Entomber Exarch enters the battlefield, choose one — • Return target creature card from your graveyard to your hand. • Target opponent reveals their hand. You choose a noncreature card from it. That player discards that card.