Bestow (If you cast this card for its bestow cost, it's an Aura spell with enchant creature. It becomes a creature again if it's not attached.)

Reach, trample

Nyxborn Hydra enters with X +1/+1 counters on it.

Enchanted creature gets +1/+1 for each +1/+1 counter on Nyxborn Hydra and has reach and trample.

Trample

Ochre Jelly enters with X +1/+1 counters on it.

Split — When Ochre Jelly dies, if it had two or more +1/+1 counters on it, create a token that's a copy of it at the beginning of the next end step. The token enters with half that many +1/+1 counters on it, rounded down.

When you cast this spell, reveal cards from the top of your library until you reveal X creature cards. Put all creature cards revealed this way into your graveyard, then put the rest on the bottom of your library in a random order.

Old Stickfingers's power and toughness are each equal to the number of creature cards in your graveyard.

X target creatures can't be blocked this turn. Until end of turn, those creatures gain "Whenever this creature deals combat damage to a player, draw a card."

Flying, trample

When Orcus, Prince of Undeath enters, choose one —

• Each other creature gets -X/-X until end of turn. You lose X life.

• Return up to X target creature cards with total mana value X or less from your graveyard to the battlefield. They gain haste until end of turn.

X target blocked creatures assign their combat damage this turn as though they weren't blocked.

Counter target spell unless its controller pays . You gain X life.

Create X 1/1 white Spirit creature tokens with flying.

Will of the Planeswalkers — Starting with you, each player votes for planeswalk or chaos. If planeswalk gets more votes, planeswalk. If chaos gets more votes or the vote is tied, chaos ensues.

Phyrexian Marauder enters with X +1/+1 counters on it.

Phyrexian Marauder can't block.

Phyrexian Marauder can't attack unless you pay for each +1/+1 counter on it.

CARDNAME deals X damage to each creature without flying and each planeswalker. If X is 10 or more, open the "Uncovered Cavern" plot booster.

Reveal the top X cards of your library. For each card type, you may exile a card of that type from among them. Put the rest into your graveyard. You may cast a spell from among the exiled cards without paying its mana cost if you exiled four or more cards this way. Then put the rest of the exiled cards into your hand.

Counter target spell unless its controller pays . If that player doesn't, they tap all lands with mana abilities they control and lose all unspent mana.

Primordial Hydra enters with X +1/+1 counters on it.

At the beginning of your upkeep, double the number of +1/+1 counters on Primordial Hydra.

Primordial Hydra has trample as long as it has ten or more +1/+1 counters on it.

Converge — Exile target nonland permanent if its mana value is less than or equal to the number of colors of mana spent to cast this spell.

When Progenitor Exarch enters, incubate 3 X times. (To incubate 3, create an Incubator token with three +1/+1 counters on it and ": Transform this artifact." It transforms into a 0/0 Phyrexian artifact creature.)

: Transform target Incubator token you control.

Protean Hydra enters with X +1/+1 counters on it.

If damage would be dealt to Protean Hydra, prevent that damage and remove that many +1/+1 counters from it.

Whenever a +1/+1 counter is removed from Protean Hydra, put two +1/+1 counters on it at the beginning of the next end step.

Draw X cards, then discard a card.

Choose one —

• Create an X/1 red Elemental creature token with trample and haste. Sacrifice it at the beginning of the next end step.

• Purphoros's Intervention deals twice X damage to target creature or planeswalker.

Rakdos's Return deals X damage to target opponent or planeswalker. That player or that planeswalker's controller discards X cards.

Vigilance, trample

Rampaging Yao Guai enters with X +1/+1 counters on it.

When Rampaging Yao Guai enters, destroy any number of target artifacts and/or enchantments with total mana value X or less.

Ravaging Blaze deals X damage to target creature.

Spell mastery — If there are two or more instant and/or sorcery cards in your graveyard, Ravaging Blaze also deals X damage to that creature's controller.

Draw X cards. For each card drawn this way, discard a card unless you sacrifice a permanent.

Target opponent reveals their hand. You choose up to X nonland cards from it and exile them. For each card exiled this way, search that player's graveyard, hand, and library for any number of cards with the same name as that card and exile them. Then that player shuffles.

Discard X cards, then return a card from your graveyard to your hand for each card discarded this way. Exile Recall.

Red Sun's Zenith deals X damage to any target. If a creature dealt damage this way would die this turn, exile it instead. Shuffle Red Sun's Zenith into its owner's library.

Return target nonland permanent with mana value X to its owner's hand.

Draw a card.

As an additional cost to cast this spell, sacrifice an artifact.

Search your library for an artifact card with mana value X or less, put it onto the battlefield, then shuffle.

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

Each opponent loses X life.

When Rocco, Cabaretti Caterer enters, if you cast it, you may search your library for a creature card with mana value X or less, put it onto the battlefield, then shuffle.

Rock Slide deals X damage divided as you choose among any number of target attacking or blocking creatures without flying.

Rolling Thunder deals X damage divided as you choose among any number of targets.

You gain twice X life. Put Sanguine Sacrament on the bottom of its owner's library.

Double strike

Savageborn Hydra enters with X +1/+1 counters on it.

: Put a +1/+1 counter on Savageborn Hydra. Activate only as a sorcery.

Look at the top X cards of target opponent's library. Exile one of those cards and put the rest back on top of that player's library in any order.

Return X target creatures of the creature type of your choice to their owner's hand.

Return X target creature cards from your graveyard to your hand. You lose X life.

Defender (This creature can't attack.)

Shifting Wall enters with X +1/+1 counters on it.

Flying, haste

Shivan Devastator enters with X +1/+1 counters on it.

Sigil of Distinction enters with X charge counters on it.

Equipped creature gets +1/+1 for each charge counter on Sigil of Distinction.

Equip—Remove a charge counter from Sigil of Distinction.

You may cast Silver Scrutiny as though it had flash if X is 3 or less.

Draw X cards.

Flying

Converge — Skyrider Elf enters with a +1/+1 counter on it for each color of mana spent to cast it.

This spell can't be countered. (This includes by the ward ability.)

Target creature gets -X/-X until end of turn.

For each of up to X target creatures, create a red Aura enchantment token named Smoke Blessing attached to that creature. Those tokens have enchant creature and "When enchanted creature dies, it deals 1 damage to its controller and you create a Treasure token."

Create X 1/1 black Rat creature tokens with "This creature can't block." Creatures you control gain haste until end of turn.

Soul Echo enters with X echo counters on it.

You don't lose the game for having 0 or less life.

At the beginning of your upkeep, sacrifice Soul Echo if there are no echo counters on it. Otherwise, target opponent may choose that for each 1 damage that would be dealt to you until your next upkeep, you remove an echo counter from Soul Echo instead.

Counter target spell with mana value X. (For example, if that spell's mana cost is , X is 5.)

Sphere of Annihilation enters with X void counters on it.

At the beginning of your upkeep, exile Sphere of Annihilation, all creatures and planeswalkers with mana value less than or equal to the number of void counters on it, and all creature and planeswalker cards in graveyards with mana value less than or equal to the number of void counters on it.

Target creature you control deals damage equal to its power to each of X target creatures and/or planeswalkers.

X is the number of artifact and/or creature cards in an opponent's graveyard as you cast this spell.

Distribute X +1/+1 counters among any number of target creatures.

Squall Line deals X damage to each creature with flying and each player.