Enchant artifact
At the beginning of the upkeep of enchanted artifact's controller, Curse Artifact deals 2 damage to that player unless they sacrifice that artifact.

When Dance of Many enters the battlefield, create a token that's a copy of target nontoken creature.
When Dance of Many leaves the battlefield, exile the token.
When the token leaves the battlefield, sacrifice Dance of Many.
At the beginning of your upkeep, sacrifice Dance of Many unless you pay .

Sacrifice a Forest: You gain 3 life.

, Sacrifice Dark Sphere: The next time a source of your choice would deal damage to you this turn, prevent half that damage, rounded down.

: Until end of turn, if you tap a land you control for mana, it produces instead of any other type.

: Regenerate Diabolic Machine.

: Regenerate Drowned.

Exile two target artifacts.

: If Eater of the Dead is tapped, exile target creature card from a graveyard and untap Eater of the Dead.

When Electric Eel enters the battlefield, it deals 1 damage to you.
: Electric Eel gets +2/+0 until end of turn and deals 1 damage to you.

: Add . Elves of Deep Shadow deals 1 damage to you.

Enchant land
At the beginning of the upkeep of enchanted land's controller, destroy that land unless that player pays or 1 life.

Eternal Flame deals X damage to target opponent or planeswalker and half X damage, rounded up, to you, where X is the number of Mountains you control.

, : Destroy target black creature.

At the beginning of your upkeep, put a hunger counter on Fasting. Then destroy Fasting if it has five or more hunger counters on it.
If you would begin your draw step, you may skip that step instead. If you do, you gain 2 life.
When you draw a card, destroy Fasting.

: Add one mana of any color that a land an opponent controls could produce.

Cast this spell only during an opponent's upkeep.
Creatures can't attack this turn.

Flying
: Fire Drake gets +1/+0 until end of turn. Activate this ability only once each turn.

Fire and Brimstone deals 4 damage to target player who attacked this turn and 4 damage to you.

Destroy target creature or land. It can't be regenerated.