Tap two untapped artifacts you control: Untap target artifact.

As Cloud Key enters the battlefield, choose artifact, creature, enchantment, instant, or sorcery. Spells you cast of the chosen type cost {1} less to cast.

{1}, {T}: Untap another target artifact. {3}, {T}: Target creature can't be blocked this turn.

All permanents are artifacts in addition to their other types. All cards that aren't on the battlefield, spells, and permanents are colorless. Players may spend mana as though it were mana of any color.

Untap all artifacts you control during each other player's untap step.

You may cast spells as though they had flash.

When Alchemist's Vial enters the battlefield, draw a card. {1}, {T}, Sacrifice Alchemist's Vial: Target creature can't attack or block this turn.

{3}, {T}: Draw a card.

({S} can be paid with one mana from a snow source.) When Arcum's Astrolabe enters the battlefield, draw a card. {1}, {T}: Add one mana of any color.

When Elsewhere Flask enters the battlefield, draw a card. Sacrifice Elsewhere Flask: Choose a basic land type. Each land you control becomes that type until end of turn.

When Energy Refractor enters the battlefield, draw a card. {2}: Add one mana of any color.

When Eye of Vecna enters the battlefield, you draw a card and you lose 2 life. At the beginning of your upkeep, you may pay {2}. If you do, you draw a card and you lose 2 life.

When Golden Egg enters the battlefield, draw a card. {1}, {T}, Sacrifice Golden Egg: Add one mana of any color. {2}, {T}, Sacrifice Golden Egg: You gain 3 life.

When Guild Globe enters the battlefield, draw a card. {2}, {T}, Sacrifice Guild Globe: Add two mana of different colors.

At the beginning of each player's draw step, if Howling Mine is untapped, that player draws an additional card.

When Lembas enters the battlefield, scry 1, then draw a card. {2}, {T}, Sacrifice Lembas: You gain 3 life. When Lembas is put into a graveyard from the battlefield, its owner shuffles it into their library.

When Prophetic Prism enters the battlefield, draw a card. {1}, {T}: Add one mana of any color.

When Sleeper Dart enters the battlefield, draw a card. {T}, Sacrifice Sleeper Dart: Target creature doesn't untap during its controller's next untap step.

Spare Supplies enters the battlefield tapped. When Spare Supplies enters the battlefield, draw a card. {2}, {T}, Sacrifice Spare Supplies: Draw a card.

When Wedding Invitation enters the battlefield, draw a card. {T}, Sacrifice Wedding Invitation: Target creature can't be blocked this turn. If it's a Vampire, it also gains lifelink until end of turn.

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.

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

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

{T}, Sacrifice Tormod's Crypt: Exile target player's graveyard.

Sacrifice Welding Jar: Regenerate target artifact.

Trample, infect, indestructible If Blightsteel Colossus would be put into a graveyard from anywhere, reveal Blightsteel Colossus and shuffle it into its owner's library instead.

This spell costs {1} less to cast for each card type among cards in your graveyard. When you cast this spell, you gain control of target opponent during that player's next turn. After that turn, that player takes an extra turn. Flying, trample, protection from instants

This spell costs {X} less to cast, where X is the total mana value of noncreature artifacts you control. Sacrifice two artifacts: Return Metalwork Colossus from your graveyard to your hand.

You may look at the top card of your library any time. You may play lands and cast spells from the top of your library. You can't play lands or cast spells from your hand. {3}{R}: Destroy Experimental Frenzy.

Players play with the top card of their libraries revealed. {T}, Sacrifice Lantern of Insight: Target player shuffles.

Blast Zone enters the battlefield with a charge counter on it. {T}: Add {C}. {X}{X}, {T}: Put X charge counters on Blast Zone. {3}, {T}, Sacrifice Blast Zone: Destroy each nonland permanent with mana value equal to the number of charge counters on Blast Zone.

{T}: Add {C}. {2}, {T}, Sacrifice Buried Ruin: Return target artifact card from your graveyard to your hand.

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

When Crystal Grotto enters the battlefield, scry 1. {T}: Add {C}. {1}, {T}: Add one mana of any color.

Indestructible {T}: Add {C}.

If Gemstone Caverns is in your opening hand and you're not the starting player, you may begin the game with Gemstone Caverns on the battlefield with a luck counter on it. If you do, exile a card from your hand. {T}: Add {C}. If Gemstone Caverns has a luck counter on it, instead add one mana of any color.

{T}: Add {R}.

At the beginning of your upkeep, if you control three or more artifacts, you gain 1 life. {T}: Add {C}. {4}, {T}, Sacrifice Inventors' Fair: Search your library for an artifact card, reveal it, put it into your hand, then shuffle. Activate only if you control three or more artifacts.

{T}: Add {C}. {4}{S}, {T}, Sacrifice Mouth of Ronom: It deals 4 damage to target creature. ({S} can be paid with one mana from a snow source.)

Rockfall Vale enters the battlefield tapped unless you control two or more other lands. {T}: Add {R} or {G}.

Slagwoods Bridge enters the battlefield tapped. Indestructible {T}: Add {R} or {G}.

({T}: Add {G}.)

({T}: Add {R}.)

{T}: Add {C}. {T}, Pay 1 life: Add one mana of any color. Activate only if you control an artifact.

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

{T}: Add {G}.

(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.

No more than two creatures can attack you each combat.

If you control a commander, you may cast this spell without paying its mana cost. You may choose new targets for target spell or ability.

Choose one — • Counter target spell if it's blue. • Destroy target permanent if it's blue.

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

Search your library for a Plains, Island, Swamp, or Mountain card, put it onto the battlefield tapped, then shuffle.

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}.

Search your library for a Forest card, put that card onto the battlefield, then shuffle.

+2: Discard up to two cards, then draw that many cards. −2: Sacrifice an artifact. If you do, return target artifact card from your graveyard to the battlefield. −10: You get an emblem with "Whenever an artifact is put into your graveyard from the battlefield, return that card to the battlefield at the beginning of the next end step." Daretti, Scrap Savant can be your commander.

Flash If a player would begin an extra turn, that player skips that turn instead. {4}, {T}, Exile Gerrard's Hourglass Pendant: Return to the battlefield tapped all artifact, creature, enchantment, and land cards in your graveyard that were put there from the battlefield this turn.

{T}: Choose target artifact a player controls and target artifact card in that player's graveyard. If both targets are still legal as this ability resolves, that player simultaneously sacrifices the artifact and returns the artifact card to the battlefield.

Whenever a nontoken artifact is put into your graveyard from the battlefield, return that card to your hand unless target opponent has Pia's Revolution deal 3 damage to them.

Destroy target permanent. Its controller creates a 3/3 green Beast creature token.

The owner of target permanent shuffles it into their library, then reveals the top card of their library. If it's a permanent card, they put it onto the battlefield.

Split second (As long as this spell is on the stack, players can't cast spells or activate abilities that aren't mana abilities.) Destroy target artifact or enchantment.

Nonbasic lands are Mountains.

If a land is tapped for two or more mana, it produces {C} instead of any other type and amount. Each spell a player casts costs {1} more to cast for each other spell that player has cast this turn.

Each spell costs {3} more to cast except during its controller's turn.

Spells your opponents cast cost {2} more to cast. At the beginning of your end step, each opponent loses 1 life.

Creature cards in graveyards and libraries can't enter the battlefield. Players can't cast spells from graveyards or libraries.

Karn's Sylex enters the battlefield tapped. Players can't pay life to cast spells or to activate abilities that aren't mana abilities. {X}, {T}, Exile Karn's Sylex: Destroy each nonland permanent with mana value X or less. Activate only as a sorcery.

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

As long as Storage Matrix is untapped, each player chooses artifact, creature, or land during their untap step. That player can untap only permanents of the chosen type this step.

Your opponents can't search libraries. If an opponent would begin an extra turn, that player skips that turn instead.

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

As long as Trinisphere is untapped, each spell that would cost less than three mana to cast costs three mana to cast. (Additional mana in the cost may be paid with any color of mana or colorless mana. For example, a spell that would cost {1}{B} to cast costs {2}{B} to cast instead.)

As a historic permanent enters the battlefield under your control, it becomes a 7/7 Dinosaur creature in addition to its other types. (Artifacts, legendaries, and Sagas are historic.)

Whenever you cast a noncreature spell, Firebrand Archer deals 1 damage to each opponent.

Menace Paradox — Whenever you cast a spell from anywhere other than your hand, Flaming Tyrannosaurus deals 3 damage to any target. Then put a +1/+1 counter on Flaming Tyrannosaurus. When Flaming Tyrannosaurus dies, it deals damage equal to its power to each opponent.

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.

Whenever one or more artifacts enter the battlefield under your control, Ingenious Artillerist deals that much damage to each opponent.

If a red or artifact source you control would deal damage to an opponent or a permanent an opponent controls, it deals that much damage plus 1 instead.

Basalt Monolith doesn't untap during your untap step. {T}: Add {C}{C}{C}. {3}: Untap Basalt Monolith.

Play with the top card of your library revealed. You may play lands from the top of your library. Landfall — Whenever a land enters the battlefield under your control, you gain 1 life.

Artifacts you control have indestructible. (Effects that say "destroy" don't destroy them. Artifact creatures with indestructible can't be destroyed by damage.)

Indestructible (Effects that say "destroy" don't destroy this artifact.)

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.")

This spell costs {X} less to cast, where X is the total power of creatures you control. Trample

Destroy all nonbasic lands.

{1}: Untap Staff of Domination. {2}, {T}: You gain 1 life. {3}, {T}: Untap target creature. {4}, {T}: Tap target creature. {5}, {T}: Draw a card.