Have

Devour Flesh

Target player sacrifices a creature of their choice, then gains life equal to that creature's toughness.

Night's Whisper

Swamp

Invigorate

If you control a Forest, rather than pay this spell's mana cost, you may have an opponent gain 3 life.
Target creature gets +4/+4 until end of turn.

Forest

Regrowth

Return target card from your graveyard to your hand.

Dark Ritual

False Cure

Until end of turn, whenever a player gains life, that player loses 2 life for each 1 life they gained.

Duress

Target opponent reveals their hand. You choose a noncreature, nonland card from it. That player discards that card.

Reverent Silence

If you control a Forest, rather than pay this spell's mana cost, you may have each other player gain 6 life.
Destroy all enchantments.

Kavu Predator

Trample
Whenever an opponent gains life, put that many +1/+1 counters on Kavu Predator.

Diabolic Edict

Target player sacrifices a creature of their choice.

Elves of Deep Shadow

{T}: Add {B}. Elves of Deep Shadow deals 1 damage to you.

Skyshroud Cutter

If you control a Forest, rather than pay this spell's mana cost, you may have each other player gain 5 life.

Rite of Consumption

As an additional cost to cast this spell, sacrifice a creature.
Rite of Consumption deals damage equal to the sacrificed creature's power to target player or planeswalker. You gain life equal to the damage dealt this way.