Legendary creatures don't untap during their controllers' untap steps. When this artifact enters, tap all legendary creatures.

Creature spells cost {2} more to cast.

Creatures with power 3 or greater don't untap during their controllers' untap steps.

At the beginning of each player's upkeep, return to its owner's hand each creature that player controls with power greater than the number of cards in their hand.

Whenever a creature enters, if there are two or more other creatures on the battlefield, exile that creature. Return that card to the battlefield under its owner's control when this artifact leaves the battlefield.

As long as this artifact 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.

Creatures entering don't cause abilities to trigger.

This artifact enters with X charge counters on it, where X is your life total. Landfall — Whenever a land you control enters, you may have your life total become the number of charge counters on this artifact.

Multikicker {2} (You may pay an additional {2} any number of times as you cast this spell.) This artifact enters with a charge counter on it for each time it was kicked. {T}: Add {C} for each charge counter on this artifact.

{T}: Add {C}. {1}, {T}, Sacrifice this artifact: Draw a card.

You may have this artifact enter as a copy of any artifact on the battlefield.

You have no maximum hand size. {T}: Add {C}.

Protector — Other artifact creatures you control have hexproof.

When Contagion Clasp enters, put a -1/-1 counter on target creature. {4}, {T}: Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

When this artifact enters, put a -1/-1 counter on each creature target player controls. {4}, {T}: Proliferate twice. (Choose any number of permanents and/or players, then give each another counter of each kind already there. Then do it again.)

Indestructible (Effects that say "destroy" don't destroy this artifact.) At the beginning of your upkeep, you may put a charge counter on this artifact. When this artifact has twenty or more charge counters on it, you win the game.

Whenever you cast an artifact spell, you may put a charge counter on this artifact. Remove three charge counters from this artifact: Create a 3/3 colorless Golem artifact creature token.

Whenever Gonti's Aether Heart or another artifact you control enters, you get {E}{E} (two energy counters). Pay eight {E}, Exile Gonti's Aether Heart: Take an extra turn after this one.

Flying Whenever you cast a noncreature spell, put a +1/+1 counter on this artifact. {2}: This artifact becomes a 1/1 Construct artifact creature until end of turn.

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.)

If you would gain life, you gain twice that much life instead. If you would draw a card except the first one you draw in each of your draw steps, draw two cards instead.

{2}, Pay 2 life: Draw a card.

Whenever a source an opponent controls deals damage to you, if this artifact is untapped, you may draw a card.

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

Whenever an opponent draws a card, you may pay {1}. If you do, draw a card.

You may look at the top card of your library any time. You may cast artifact spells and colorless spells from the top of your library. {T}, Pay 1 life: Exile the top card of your library.

At the beginning of your end step, put an influence counter on Palantír of Orthanc and scry 2. Then target opponent may have you draw a card. If that player doesn't, you mill X cards, where X is the number of influence counters on Palantír of Orthanc, and that player loses life equal to the total mana value of those cards.

This artifact enters with three wish counters on it. {5}, {T}, Remove a wish counter from this artifact: Search your library for a card, put that card into your hand, then shuffle.

At the beginning of each player's first main phase, if this artifact is untapped, that player adds {C} for each artifact they control.

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

Indestructible (Effects that say "destroy" don't destroy this artifact.) {T}: Add one mana of any color.

Colorless creatures you control get +2/+2. Whenever you tap a permanent for {C}, add an additional {C}. Whenever you cast a colorless spell, you gain 2 life.

Artifact spells you cast cost {1} less to cast.

{T}: Add {C}{C}. {2}, {T}, Sacrifice this artifact: Draw two cards.

If you would lose unspent mana, that mana becomes colorless instead.

If you would draw a card while you have no cards in hand, draw two cards instead. If you would gain life while you have 5 or less life, you gain twice that much life instead. {T}: Add one mana of any color.

{T}: Add one mana of any color. At the beginning of your upkeep, put a night counter on this artifact. Then if it has eight or more night counters on it, remove all of them and create eight colorless snow artifact tokens named Replicated Ring with "{T}: Add one mana of any color."

Imprint — When this artifact enters, you may exile a nonland card from your hand. Spells you cast that share a card type with the exiled card cost {2} less to cast.

{T}: Add {C}{C}. {2}, {T}, Sacrifice this artifact: Exile any number of target players' graveyards. Draw a card.

When The Mightstone and Weakstone enters, choose one — • Draw two cards. • Target creature gets -5/-5 until end of turn. {T}: Add {C}{C}. This mana can't be spent to cast nonartifact spells. (Melds with Urza, Lord Protector.)

Indestructible Once each turn, you may pay {0} rather than pay the mana cost for a colorless spell you cast from your hand.

{2}, {T}: Copy target activated or triggered ability you control. You may choose new targets for the copy. {3}, {T}: Copy target instant or sorcery spell you control. You may choose new targets for the copy. {4}, {T}: Copy target permanent spell you control. (The copy becomes a token.)

Whenever you activate an ability, if it isn't a mana ability, you may pay {2}. If you do, copy that ability. You may choose new targets for the copy.

For each opponent, exile up to one target permanent that player controls with an even mana value. (Zero is even.) Adamant — If at least three colorless mana was spent to cast this spell, return a permanent card with an odd mana value from your graveyard to the battlefield.

{T}: Put a charge counter on this artifact. {T}, Remove three charge counters from this artifact: Destroy target permanent.

Tap two untapped artifacts you control: Untap target artifact.

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

You may cast spells as though they had flash.

{T}: Add {C}. {1}, {T}: Until end of turn, creatures your opponents control lose hexproof and shroud and can't have hexproof or shroud.

Ascend (If you control ten or more permanents, you get the city's blessing for the rest of the game.) {T}: Add {C}. {5}, {T}: Draw a card. Activate only if you have the city's blessing.

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

{T}: Add {C}. Cycling {2} ({2}, Discard this card: Draw a card.)

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

{T}: Add {C}. {1}, {T}: Add one mana of any color. {4}, {T}, Sacrifice this land: Put two +1/+1 counters on target creature. Activate only as a sorcery.

{T}: Add {C}. {3}, {T}, Sacrifice this land: Create a 2/2 black Zombie creature token. Activate only as a sorcery.

{T}: Add {C}. {1}, {T}, Sacrifice this land: Draw a card. Activate only if you control five or more lands.

When this land enters, scry 1. {T}: Add {C}. {1}, {T}: Add one mana of any color.

Indestructible {T}: Add {C}.

{T}: Add {C}. {T}: This land deals 1 damage to target attacking creature. Activate only during the end of combat step.

{T}: Add {C}. {1}, {T}: Until end of turn, your opponents and creatures your opponents control with hexproof can be the targets of spells and abilities you control as though they didn't have hexproof.

{T}: Add {C}. When this land is put into a graveyard from the battlefield, create a 2/2 black Zombie creature token.

{T}: Add {C}. {1}, {T}, Sacrifice this land: You may cast spells this turn as though they had flash.

{T}: Add {C}. {5}, {T}, Sacrifice this land: Create a 3/4 colorless Gargoyle artifact creature token with flying.

{T}: Add {C}. {1}, {T}, Sacrifice this land: Put a -1/-1 counter on target creature. Activate only as a sorcery.

{T}: Add {C}. {1}, {T}: Add one mana of any color. {4}, {T}: Create a tapped Powerstone token. (It's an artifact with "{T}: Add {C}. This mana can't be spent to cast a nonartifact spell.")

{T}: Add {C}. {2}, Exile a land card from your graveyard: This land becomes a 3/4 Elemental creature until end of turn. It's still a land.

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}, {T}: Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

{T}: Add {C}. {4}, {T}: Remove target attacking or blocking creature from combat.

Start your engines! (If you have no speed, it starts at 1. It increases once on each of your turns when an opponent loses life. Max speed is 4.) {T}: Add {C}. Max speed — {T}: Add {C}{C}.

{T}: Add {C}. {1}, {T}: Move a counter from target permanent you control onto another target permanent. Activate only as a sorcery.

{T}: Add {C}. {T}, Sacrifice this land: Target attacking creature without flying gets -1/-2 until end of turn.

When this land enters, you gain 2 life. {T}: Add {C}.

You have no maximum hand size. {T}: Add {C}.

{T}: Add {C}. {2}, {T}: Return target commander you own from the battlefield to your hand. Activate only during your turn.

{T}: Add {C}. {2}, {T}, Sacrifice a Desert: Exile all graveyards.

{T}: Add {C}. ({C} represents colorless mana.) {2}{C}, {T}: Draw a card. Activate only if you have no cards in hand.

{T}: Add {C}. {T}: Add {C}{C}. Spend this mana only to cast colorless spells. Activate only if you control seven or more lands.

When this land enters, it deals 1 damage to target player or planeswalker. {T}: Add {C}.

{T}: Add {C}. {7}, {T}: Create a 2/2 colorless Assembly-Worker artifact creature token.

{T}: Add {C}. If you control an Urza's Power-Plant and an Urza's Tower, add {C}{C} instead.

{T}: Add {C}. If you control an Urza's Mine and an Urza's Tower, add {C}{C} instead.

{T}: Add {C}. If you control an Urza's Mine and an Urza's Power-Plant, add {C}{C}{C} instead.

{T}: Add {C}. Metalcraft — {T}: Add {C} for each Urza's land you control. Activate only if you control three or more artifacts.

{T}: Add {C}. {3}, {T}, Pay life equal to the number of colors in your commanders' color identity: Draw a card.

{T}: Add {C}.