As an additional cost to cast Abandon Hope, discard X cards.

Look at target opponent's hand and choose X cards from it. That player discards those cards.

Choose one —

• Target player gains X life.

• Prevent the next X damage that would be dealt to target creature or player this turn.

Reveal the top X cards of your library. Put all land cards from among them onto the battlefield tapped and the rest on the bottom of your library in a random order.

Spell mastery — If there are two or more instant and/or sorcery cards in your graveyard, untap those lands.

Astral Cornucopia enters the battlefield with X charge counters on it.

: Choose a color. Add one mana of that color to your mana pool for each charge counter on Astral Cornucopia.

Destroy X target snow lands.

Target attacking creature gets +X/+0 until end of turn.

Draw a card at the beginning of the next turn's upkeep.

Improvise (Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for .)

Target creature gets -X/-X until end of turn. You gain X life.

Put X -1/-1 counters on each creature. Shuffle Black Sun's Zenith into its owner's library.

You may exile a red card with converted mana cost X from your hand rather than pay Blazing Shoal's mana cost.

Target creature gets +X/+0 until end of turn.

Target player draws X cards. Shuffle Blue Sun's Zenith into its owner's library.

Bonfire of the Damned deals X damage to target player and each creature he or she controls.

Miracle (You may cast this card for its miracle cost when you draw it if it's the first card you drew this turn.)

Target player draws X cards.

Briber's Purse enters the battlefield with X gem counters on it.

, , Remove a gem counter from Briber's Purse: Target creature can't attack or block this turn.

Counter target spell unless its controller pays . Clash with an opponent. If you win, that spell's controller puts the top four cards of his or her library into his or her graveyard. (Each clashing player reveals the top card of his or her library, then puts that card on the top or bottom. A player wins if his or her card had a higher converted mana cost.)

Burn from Within deals X damage to target creature or player. If a creature is dealt damage this way, it loses indestructible until end of turn. If that creature would die this turn, exile it instead.

The next X damage that would be dealt to target creature or player this turn is dealt to another target creature or player instead.

Chimeric Mass enters the battlefield with X charge counters on it.

: Until end of turn, Chimeric Mass becomes a Construct artifact creature with "This creature's power and toughness are each equal to the number of charge counters on it."

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for or one mana of that creature's color.)

Search your library for a creature card with converted mana cost X or less and put it onto the battlefield. Then shuffle your library.

Counter target spell unless its controller pays .

Exile the top X cards of your library. Until the end of your next turn, you may play those cards.

Conflagrate deals X damage divided as you choose among any number of target creatures and/or players.

Flashback—, Discard X cards. (You may cast this card from your graveyard for its flashback cost. Then exile it.)

( can be paid with either or 2 life.)

Corrosive Gale deals X damage to each creature with flying.

Put target creature or enchantment card from an opponent's graveyard onto the battlefield under your control.

Cut deals 4 damage to target creature.

Target player creates X 2/2 black Zombie creature tokens, then up to one target creature gets -1/-1 until end of turn for each Zombie that player controls.

Each player loses X life, discards X cards, sacrifices X creatures, then sacrifices X lands.

Death Grasp deals X damage to target creature or player. You gain X life.

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

Search your library for a multicolored card, reveal it, and put it into your hand. Then shuffle your library.

Destroy target artifact with converted mana cost X. It can't be regenerated. Detonate deals X damage to that artifact's controller.

Search your library for up to X cards and put those cards into your hand. Then shuffle your library.

Disintegrate deals X damage to target creature or player. That creature can't be regenerated this turn. If the creature would die this turn, exile it instead.

You may exile a blue card with converted mana cost X from your hand rather than pay Disrupting Shoal's mana cost.

Counter target spell if its converted mana cost is X.

Prevent the next X damage that would be dealt to you and/or permanents you control this turn. If damage is prevented this way, Divine Deflection deals that much damage to target creature or player.

Spend only black mana on X.

Drain Life deals X damage to target creature or player. You gain life equal to the damage dealt, but not more life than the player's life total before Drain Life dealt damage or the creature's toughness.

Destroy X target nonblack creatures. Draw X cards.

Aftermath (Cast this spell only from your graveyard. Then exile it.)

Earth deals X damage to each creature without flying.

Delve (Each card you exile from your graveyard while casting this spell pays for .)

Create X tapped 2/2 black Zombie creature tokens.

Enchant creature

Endless Scream enters the battlefield with X scream counters on it.

Enchanted creature gets +1/+0 for each scream counter on Endless Scream.

Sunburst (This enters the battlefield with a charge counter on it for each color of mana spent to cast it.)

, Sacrifice Engineered Explosives: Destroy each nonland permanent with converted mana cost equal to the number of charge counters on Engineered Explosives.

Reveal the top X cards of your library. Put all creature cards revealed this way into your hand and the rest on the bottom of your library in any order.

Exile the top X cards of your library. For each instant and sorcery card with converted mana cost X or less among them, you may cast that card without paying its mana cost. Then put all cards exiled this way that weren't cast into your graveyard.

X can't be 0.

Target spell's controller exiles it with X delay counters on it.

At the beginning of each of that player's upkeeps, if that card is exiled, remove a delay counter from it. If the card has no delay counters on it, he or she puts it onto the stack as a copy of the original spell.

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

Buyback (You may pay an additional as you cast this spell. If you do, put this card into your hand as it resolves.)

Fanning the Flames deals X damage to target creature or player.

Fault Line deals X damage to each creature without flying and each player.

Prevent the next X damage that would be dealt to you this turn.

Draw a card.

Create X 1/1 red Elemental Cat creature tokens with haste. Exile them at the beginning of the next end step.

Flashback—, Sacrifice X Mountains. (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Look at the top X cards of your library. Put one of them into your hand and the rest on the bottom of your library in any order.

Flashback—, Exile X blue cards from your graveyard. (You may cast this card from your graveyard for its flashback cost, then exile it. You can't exile Flash of Insight to pay for its own flashback cost.)

All creatures get +X/-X until end of turn.