When Akki Blizzard-Herder dies, each player sacrifices a land.

{T}: Add {C}{C}. Ancient Tomb deals 2 damage to you.

Whenever a land enters the battlefield, Ankh of Mishra deals 2 damage to that land's controller.

Exile all permanents. You discard your hand.

{T}: Add one mana of any color in your commander's color identity.

This spell costs {1} less to cast for each creature on the battlefield.

Blasphemous Act deals 13 damage to each creature.

Destroy target land you control and target land you don't control.

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Destroy all lands.

Whenever a player taps a nonbasic land for mana, Burning Earth deals 1 damage to that player.

Whenever a creature dies, that creature's controller sacrifices a land.

Destroy X target artifacts.

Imprint -- When Chrome Mox enters the battlefield, you may exile a nonartifact, nonland card from your hand.

{T}: Add one mana of any of the exiled card's colors.

When you play another land, sacrifice City of Traitors.

{T}: Add {C}{C}.

You may play lands from your graveyard.

Indestructible

{T}: Add {C}.

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 Decree of Annihilation, destroy all lands.

Detritivore's power and toughness are each equal to the number of nonbasic land cards in your opponents' graveyards.

Suspend X--{X}{3}{R}. X can't be 0. (Rather than cast this card from your hand, you may pay {X}{3}{R} and exile it with X time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, cast it without paying its mana cost. It has haste.)

Whenever a time counter is removed from Detritivore while it's exiled, destroy target nonbasic land.

As an additional cost to cast this spell, discard X cards at random.

Each player sacrifices X lands. Devastating Dreams deals X damage to each creature.

Whenever a land is put into a graveyard from the battlefield, Dingus Egg deals 2 damage to that land's controller.

When Dockside Extortionist enters the battlefield, create X Treasure tokens, where X is the number of artifacts and enchantments your opponents control. (Treasure tokens are artifacts with "{T}, Sacrifice this artifact: Add one mana of any color.")

{T}: Add {C}.

{3}, {T}, Sacrifice a land: Destroy target nonbasic land.

{2}{R}, {T}: Destroy target nonbasic land.

Morph {R} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)

{2}{R}, {T}: Destroy target nonbasic land.

Creatures with power greater than the number of cards in your hand can't attack.

Target player sacrifices a land.

Threshold -- Each player sacrifices all lands they control instead if seven or more cards are in your graveyard.

Imprint -- When Extraplanar Lens enters the battlefield, you may exile target land you control.

Whenever a land with the same name as the exiled card is tapped for mana, its controller adds one mana of any type that land produced.

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

If a source you control would deal damage to a permanent or player, it deals triple that damage to that permanent or player instead.

{T}: Add {C}.

{T}, Sacrifice Ghost Quarter: Destroy target land. Its controller may search their library for a basic land card, put it onto the battlefield, then shuffle.

Cumulative upkeep--Pay 2 life. (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)

When Glacial Chasm enters the battlefield, sacrifice a land.

Creatures you control can't attack.

Prevent all damage that would be dealt to you.

Grim Monolith doesn't untap during your untap step.

{T}: Add {C}{C}{C}.

{4}: Untap Grim Monolith.

Whenever an opponent activates an ability of an artifact, creature, or land on the battlefield, if it isn't a mana ability, Harsh Mentor deals 2 damage to that player.

Flying, trample

Whenever Hellkite Tyrant deals combat damage to a player, gain control of all artifacts that player controls.

At the beginning of your upkeep, if you control twenty or more artifacts, you win the game.

At the beginning of your upkeep, if there are seven or more lands on the battlefield, sacrifice Impending Disaster and destroy all lands.

{T}, Sacrifice Jeweled Lotus: Add three mana of any one color. Spend this mana only to cast your commander.

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

When Keldon Firebombers enters the battlefield, each player sacrifices all lands they control except for three.

{T}, Sacrifice Lotus Petal: Add one mana of any color.

Nonbasic lands are Mountains.

At the beginning of your upkeep, flip a coin. If you lose the flip, Mana Crypt deals 3 damage to you.

{T}: Add {C}{C}.

Add {R} for each tapped land your opponents control.

Mana Vault doesn't untap during your untap step.

At the beginning of your upkeep, you may pay {4}. If you do, untap Mana Vault.

At the beginning of your draw step, if Mana Vault is tapped, it deals 1 damage to you.

{T}: Add {C}{C}{C}.

Whenever a player taps a land for mana, Manabarbs deals 1 damage to that player.

Destroy each artifact with mana value X or less.

{T}: Add {C}.

{1}, {T}, Sacrifice Mind Stone: Draw a card.

{T}: Add {C}{C}{C}. Spend this mana only to cast artifact spells.

Exile target card that's an instant or sorcery from your graveyard. For each card exiled this way, copy it, and you may cast the copy without paying its mana cost. Exile Mizzix's Mastery.

Overload {5}{R}{R}{R} (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")

{T}: Add one mana of any color among legendary creatures and planeswalkers you control.

If Mox Diamond would enter the battlefield, you may discard a land card instead. If you do, put Mox Diamond onto the battlefield. If you don't, put it into its owner's graveyard.

{T}: Add one mana of any color.

Metalcraft -- {T}: Add one mana of any color. Activate only if you control three or more artifacts.

{T}: Add {C}.

{2}, {T}: Choose a color. Add an amount of mana of that color equal to your devotion to that color. (Your devotion to a color is the number of mana symbols of that color in the mana costs of permanents you control.)

This spell can't be countered.

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

{X}{X}{R}, {T}, Sacrifice Orcish Settlers: Destroy X target lands.

Whenever a player taps a land for mana, if it's not that player's turn, destroy that land.

Whenever Ragavan, Nimble Pilferer deals combat damage to a player, create a Treasure token and exile the top card of that player's library. Until end of turn, you may cast that card.

Dash {1}{R} (You may cast this spell for its dash cost. If you do, it gains haste, and it's returned from the battlefield to its owner's hand at the beginning of the next end step.)

Copy target instant or sorcery spell. You may choose new targets for the copy.

Destroy all nonbasic lands.

Sandstone Needle enters the battlefield tapped with two depletion counters on it.

{T}, Remove a depletion counter from Sandstone Needle: Add {R}{R}. If there are no depletion counters on Sandstone Needle, sacrifice it.

Discard a land card: Seismic Assault deals 2 damage to any target.

Kicker {3}

Indestructible

When Skyclave Relic enters the battlefield, if it was kicked, create two tapped tokens that are copies of Skyclave Relic.

{T}: Add one mana of any color.

Players can't untap more than one creature during their untap steps.

Whenever a player casts a spell, Spellshock deals 2 damage to that player.

Spells cost {1} more to cast.

As long as Static Orb is untapped, players can't untap more than two permanents during their untap steps.

At the beginning of each player's end step, that player sacrifices an untapped land.

Your opponents can't search libraries.

If an opponent would begin an extra turn, that player skips that turn instead.

{T}: Add {C}.

{T}, Sacrifice Strip Mine: Destroy target land.

At the beginning of each player's upkeep, Sulfuric Vortex deals 2 damage to that player.

If a player would gain life, that player gains no life instead.

Each player sacrifices X lands.

Whenever a land enters the battlefield, tap all lands its controller controls.

Counter target spell. Choose 1, 2, or 3 at random. Its controller mills that many cards, then exiles cards from the top of their library until they exile a nonland card with a different name than that spell. They may cast that card without paying its mana cost. Then they put the exiled cards on the bottom of their library in a random order.

Creatures entering the battlefield don't cause abilities to trigger.

Whenever a land enters the battlefield under an opponent's control, if that player had another land enter the battlefield under their control this turn, Tunnel Ignus deals 3 damage to that player.

Each nonland card in your graveyard has escape. The escape cost is equal to the card's mana cost plus exile three other cards from your graveyard. (You may cast cards from your graveyard for their escape cost.)

At the beginning of the end step, sacrifice Underworld Breach.

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)

I -- Urza's Saga gains "{T}: Add {C}."

II -- Urza's Saga gains "{2}, {T}: Create a 0/0 colorless Construct artifact creature token with 'This creature gets +1/+1 for each artifact you control.'"

III -- Search your library for an artifact card with mana cost {0} or {1}, put it onto the battlefield, then shuffle.

Put any number of cards from your hand on the bottom of your library, then draw that many cards plus one.

Valakut Stoneforge enters the battlefield tapped.

{T}: Add {R}.

Valakut, the Molten Pinnacle enters the battlefield tapped.

Whenever a Mountain enters the battlefield under your control, if you control at least five other Mountains, you may have Valakut, the Molten Pinnacle deal 3 damage to any target.

{T}: Add {R}.

Destroy target artifact you don't control.

Overload {4}{R} (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")

{T}: Add {C}.

{T}, Sacrifice Wasteland: Destroy target nonbasic land.

Each player discards their hand, then draws seven cards.

Each player sacrifices four lands. Wildfire deals 4 damage to each creature.

As long as Winter Orb is untapped, players can't untap more than one land during their untap steps.

Exile all permanents. Exile all cards from all hands and graveyards. Each player's life total becomes 1.

Whenever a land enters the battlefield, Zo-Zu the Punisher deals 2 damage to that land's controller.