Morph {X}{B}{B} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.) When this creature is turned face up, all creatures get -X/-X until end of turn.

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

Destroy all creatures. Lands you control don't untap during your next untap step.

Destroy each creature with mana value 3 or less. They can't be regenerated.

Choose one — • Destroy all Dragon creatures. • Destroy all non-Dragon creatures.

Destroy all creatures. They can't be regenerated.

Destroy all creatures. Each player loses life equal to the number of creatures they controlled that were destroyed this way.

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

Flying When this creature enters, if you cast it from your hand and there are five or more other creatures on the battlefield, destroy all other creatures.

Destroy all creatures. They can't be regenerated. Draw a card for each creature destroyed this way. Cycling {3}{B}{B} ({3}{B}{B}, Discard this card: Draw a card.) When you cycle this card, all creatures get -2/-2 until end of turn.

Separate all creatures target player controls into two piles. Destroy all creatures in the pile of that player's choice. They can't be regenerated.

When this creature enters, if you cast it from your hand, destroy all creatures your opponents control, then tap all other creatures you control.

Destroy all nonenchantment creatures.

Destroy all nonblack creatures. Hellfire deals X plus 3 damage to you, where X is the number of creatures that died this way.

Deathtouch {6}{B}{B}: Monstrosity 3. (If this creature isn't monstrous, put three +1/+1 counters on it and it becomes monstrous.) When Hythonia becomes monstrous, destroy all non-Gorgon creatures.

As an additional cost to cast this spell, sacrifice a creature. All creatures get -X/-X until end of turn, where X is the sacrificed creature's power.

Destroy all creatures you don't control and all planeswalkers you don't control.

Kagemaro's power and toughness are each equal to the number of cards in your hand. {B}, Sacrifice Kagemaro: All creatures get -X/-X until end of turn, where X is the number of cards in your hand.

For each creature, its controller sacrifices it unless they pay X life.

Choose a creature type. Destroy all creatures that aren't of the chosen type.

Destroy all creatures, then search target opponent's library for up to three creature cards and put them into their graveyard. Then that player shuffles.

All creatures get -1/-1 until end of turn for each Swamp you control.

Destroy all creatures, then return a creature card put into a graveyard this way to the battlefield under your control. It's a black Zombie in addition to its other colors and types. Exile Necromantic Selection.

Destroy all creatures you don't control. They can't be regenerated.

Flying When this creature enters, if you cast it from your hand, destroy all nonartifact, nonblack creatures. They can't be regenerated.

Anger of the Gods deals 3 damage to each creature. If a creature dealt damage this way would die this turn, exile it instead.

Exile all permanents. You discard your hand.

When this creature dies, destroy all permanents at the beginning of the next end step.

Any player may have Breaking Point deal 6 damage to them. If no one does, destroy all creatures. Creatures destroyed this way can't be regenerated.

Chain Reaction deals X damage to each creature, where X is the number of creatures on the battlefield.

Exile all artifacts, creatures, and lands from the battlefield, all cards from all graveyards, and all cards from all hands. Cycling {5}{R}{R} ({5}{R}{R}, Discard this card: Draw a card.) When you cycle this card, destroy all lands.

Destroy all creatures and lands.

As an additional cost to cast this spell, reveal a creature card from your hand. Disaster Radius deals X damage to each creature your opponents control, where X is the revealed card's mana value.

Earthquake deals X damage to each creature without flying and each player.

All creatures lose indestructible until end of turn. Hour of Devastation deals 5 damage to each creature and each non-Bolas planeswalker.

Destroy all artifacts, creatures, and lands. They can't be regenerated.

This spell can't be countered. Destroy all artifacts, creatures, and lands. They can't be regenerated.

Flip a coin. If you win the flip, destroy all creatures with power 2 or less. If you lose the flip, destroy all creatures with power 3 or greater.

Rolling Earthquake deals X damage to each creature without horsemanship and each player.

Starstorm deals X damage to each creature. Cycling {3} ({3}, Discard this card: Draw a card.)

Subterranean Tremors deals X damage to each creature without flying. If X is 4 or more, destroy all artifacts. If X is 8 or more, create an 8/8 red Lizard creature token.

Return six target nonland permanents to their owners' hands.

Return all attacking creatures to their owner's hand.

For each attacking creature, its owner puts it on their choice of the top or bottom of their library.

Surge {3}{U}{U} (You may cast this spell for its surge cost if you or a teammate has cast another spell this turn.) Return all nonland permanents to their owners' hands. If this spell's surge cost was paid, create an 8/8 blue Octopus creature token.

Exile X target creatures. For each creature exiled this way, its controller creates a 2/2 green Boar creature token.

Return target nonland permanent you don't control to its owner's hand. Overload {6}{U} (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")

Return all nonland permanents to their owners' hands. Miracle {1}{U} (You may cast this card for its miracle cost when you draw it if it's the first card you drew this turn.)

Return to their owners' hands all creatures with toughness less than or equal to the number of Islands you control.

Return all creatures to their owners' hands.

For each creature, its controller sacrifices a permanent of their choice unless they pay {1}.

Return all nonblue creatures to their owners' hands.

When this creature enters, return all other nonland permanents to their owners' hands. Unearth {6}{U} ({6}{U}: Return this card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step or if it would leave the battlefield. Unearth only as a sorcery.)

When this creature enters, return each creature your opponents control with toughness X or less to its owner's hand, where X is the number of Islands you control.

Destroy all artifacts, creatures, and enchantments. Cycling {3} ({3}, Discard this card: Draw a card.)

Choose two — • Destroy all artifacts. • Destroy all enchantments. • Destroy all creatures with mana value 3 or less. • Destroy all creatures with mana value 4 or greater.

Exile all creatures. Delirium — Create a 4/4 white Angel creature token with flying if there are four or more card types among cards in your graveyard.

Each player chooses a creature they control. Destroy the rest. Flashback {5}{W}{W} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

+1: Create three 1/1 white Soldier creature tokens. −3: Destroy all creatures with power 4 or greater. −7: You get an emblem with "Creatures you control get +2/+2 and have flying."

Destroy all creatures and all permanents attached to creatures.

Destroy all creatures and planeswalkers. If it's your turn, scry 2.

Destroy all creatures with power greater than target creature's power.

Destroy all creatures. You gain 1 life for each creature destroyed this way.

Put all creatures on the bottom of their owners' libraries.

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.) Destroy all nontoken creatures.

This spell costs {3} less to cast if there are ten or more nonland permanents on the battlefield. Destroy all nonland permanents.

Destroy all creatures. They can't be regenerated. Threshold — If seven or more cards are in your graveyard, instead destroy all creatures, then create two 1/1 white Spirit creature tokens with flying. Creatures destroyed this way can't be regenerated.

This creature enters tapped. {1}, {T}: Destroy all artifacts, creatures, and enchantments.

Destroy all creatures, then create an X/X colorless Phyrexian Horror artifact creature token, where X is the number of creatures destroyed this way.

Destroy all nonland permanents.

At the beginning of your upkeep, if there are four or more creatures on the battlefield, sacrifice this enchantment and destroy all creatures. They can't be regenerated.

Destroy all nonland creatures. Awaken 4—{5}{W}{W}{W} (If you cast this spell for {5}{W}{W}{W}, also put four +1/+1 counters on target land you control and it becomes a 0/0 Elemental creature with haste. It's still a land.)

Destroy all creatures with power 4 or greater. They can't be regenerated.

You may cast this spell as though it had flash if you pay {2} more to cast it. (You may cast it any time you could cast an instant.) Destroy all creatures. They can't be regenerated.

{T}, Sacrifice this artifact: Destroy all permanents except for artifacts and lands. Activate only during your upkeep.

Exile all attacking creatures target player controls. That player may search their library for that many basic land cards, put those cards onto the battlefield tapped, then shuffle.

Choose one — • Destroy all creatures with power 2 or less. • Destroy all creatures with power 3 or greater. Entwine—Sacrifice two lands. (Choose both if you pay the entwine cost.)

Destroy all nonartifact permanents.

Undaunted (This spell costs {1} less to cast for each opponent.) Destroy all creatures.

Exile all nonland permanents target player controls. Return the exiled cards to the battlefield under their owner's control at the beginning of the next end step.

Flying When this creature enters, destroy all tapped creatures.

You may exile two white cards from your hand rather than pay this spell's mana cost. Destroy all creatures.

Put all creatures on the bottom of their owners' libraries. Miracle {W} (You may cast this card for its miracle cost when you draw it if it's the first card you drew this turn.)

Exile target creature you don't control. For each creature exiled this way, its controller searches their library for a basic land card. Those players put those cards onto the battlefield tapped, then shuffle. Overload {4}{W}{W} (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")

Destroy all creatures that aren't enchanted. They can't be regenerated.

When this artifact enters, exile all creatures with power 5 or greater until this artifact leaves the battlefield. (Those creatures return under their owners' control.)

Each player sacrifices all permanents they control that are one or more colors.

{T}: Flip a coin. If you win the flip, destroy all nonland permanents.

Sunburst (This enters with a charge counter on it for each color of mana spent to cast it.) {2}, Sacrifice this artifact: Destroy each nonland permanent with mana value equal to the number of charge counters on this artifact.

This artifact enters tapped. {1}, {T}: Destroy all artifacts, creatures, and enchantments.

{4}, {T}: Put a fate counter on target permanent. {5}, {T}, Sacrifice this artifact: Destroy each nonland permanent without a fate counter on it, then remove all fate counters from all permanents.

{5}, {T}, Exile this artifact: Exile all nonland permanents.

At the beginning of your upkeep, put a plague counter on this artifact. {1}{B}{G}: Put a plague counter on this artifact or remove a plague counter from it. When this artifact has three or more plague counters on it, sacrifice it. If you do, destroy all nonland permanents.

+2: Ugin deals 3 damage to any target. −X: Exile each permanent with mana value X or less that's one or more colors. −10: You gain 7 life, draw seven cards, then put up to seven permanent cards from your hand onto the battlefield.

Trample When Child of Alara dies, destroy all nonland permanents. They can't be regenerated.

Kicker {W}{W} (You may pay an additional {W}{W} as you cast this spell.) When this creature enters, destroy all other creatures you control. If it was kicked, destroy all other creatures instead.

Choose up to one creature. Destroy the rest.