Crackle with Power deals five times X damage to each of up to X targets.

Menace Greven gets +X/+0, where X is the amount of life you've lost this turn. Whenever Greven attacks, you may sacrifice another creature. If you do, you draw cards equal to that creature's power and you lose life equal to that creature's toughness.

(You may cast a legendary sorcery only if you control a legendary creature or planeswalker.) Jaya's Immolating Inferno deals X damage to each of up to three targets.

Flying When this creature enters, search your library for a card, put it into your hand, then shuffle.

Each opponent loses X life. You gain life equal to the life lost this way.

Whenever you lose life for the first time each turn, you get {E}. (You get an energy counter. Damage causes loss of life.) Pay {E}{E}, Sacrifice this enchantment: Each opponent loses 3 life. You gain life equal to the life lost this way.

Whenever this creature attacks, you may pay 2 life. If you do, it gains flying until end of turn.

All Nightmares get +1/+1. {B}{B}{B}, Pay 3 life: Put target creature card from a graveyard onto the battlefield under your control. That creature is black and is a Nightmare in addition to its other creature types. When Chainer leaves the battlefield, exile all Nightmares.

Choose any number of target creature and/or planeswalker cards in graveyards. Command the Dreadhorde deals damage to you equal to the total mana value of those cards. Put them onto the battlefield under your control.

Target player draws X cards and loses X life.

Menace As an additional cost to cast black permanent spells, you may pay 2 life. Those spells cost {B} less to cast if you paid life this way. This effect reduces only the amount of black mana you pay. Whenever you cast a black permanent spell, target creature you control gets +1/+1 and gains menace until end of turn.

Flying, trample Pay 2 life: Surveil 2. (Look at the top two cards of your library, then put any number of them into your graveyard and the rest on top of your library in any order.)

Destroy target creature or enchantment an opponent controls. You lose life equal to that permanent's mana value.

{B}, Pay 2 life: Draw a card.

Devoid (This card has no color.) Pay 1 life: Add {C}. Activate only once each turn. ({C} represents colorless mana.)

Toxic 1 (Players dealt combat damage by this creature also get a poison counter.) {T}, Pay 2 life: Add one mana of any color.

At the beginning of your upkeep, you draw a card and you lose 1 life.

Kicker—Pay 3 life. (You may pay 3 life in addition to any other costs as you cast this spell.) If this creature was kicked, it enters with two +1/+1 counters on it.

Scry 2, then draw two cards. You lose 2 life. (To scry 2, look at the top two cards of your library, then put any number of them on the bottom and the rest on top in any order.)

Pay 2 life: This creature gains flying until end of turn. (It can't be blocked except by creatures with flying or reach.)

Target player draws two cards and loses 2 life.

Menace At the beginning of your upkeep, each player draws a card and loses 1 life.

{T}: Add {C}. {T}: Add {B} or {R}. This artifact deals 1 damage to you.

Defender (This creature can't attack.) Pay 1 life: This creature gets +1/+1 until end of turn.