{T}: Add {W}.

Flying

When Arcanist's Owl enters the battlefield, look at the top four cards of your library. You may reveal an artifact or enchantment card from among them and put it into your hand. Put the rest on the bottom of your library in a random order.

Lifelink

Modular 1 (This creature enters the battlefield with a +1/+1 counter on it. When it dies, you may put its +1/+1 counters on target artifact creature.)

Modular 2 (This creature enters the battlefield with two +1/+1 counters on it. When it dies, you may put its +1/+1 counters on target artifact creature.)

(Gain the next level as a sorcery to add its ability.)

The first artifact spell you cast each turn costs {1} less to cast.

{1}{U}: Level 2

When this Class becomes level 2, reveal cards from the top of your library until you reveal an artifact card. Put that card into your hand and the rest on the bottom of your library in a random order.

{5}{U}: Level 3

At the beginning of your end step, create a token that's a copy of target artifact you control.

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.

Azorius Chancery enters the battlefield tapped.

When Azorius Chancery enters the battlefield, return a land you control to its owner's hand.

{T}: Add {W}{U}.

Target permanent gains hexproof and indestructible until end of turn. If it's an artifact creature, it gets +2/+2 until end of turn.

{T}: Add {C}.

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

Flying

When Chrome Courier enters the battlefield, reveal the top two cards of your library. Put one of them into your hand and the other into your graveyard. If you put an artifact card into your hand this way, you gain 3 life.

Commander creatures you own have "{2}, Sacrifice an artifact: Put a +1/+1 counter on this creature and draw a card."

Prototype {2}{W} -- 1/1 (You may cast this spell with different mana cost, color, and size. It keeps its abilities and types.)

Double strike

When Combat Thresher enters the battlefield, draw a card.

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

Coral Atoll enters the battlefield tapped.

When Coral Atoll enters the battlefield, sacrifice it unless you return an untapped Island you control to its owner's hand.

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

Indestructible

{T}: Add {C}.

Tap target creature.

Metalcraft -- If you control three or more artifacts, exile that creature.

{1}{U}: Return target artifact you control to its owner's hand.

{3}, {T}: Copy target artifact spell you control. (The copy becomes a token.)

Imprint -- When Duplicant enters the battlefield, you may exile target nontoken creature.

As long as a card exiled with Duplicant is a creature card, Duplicant has the power, toughness, and creature types of the last creature card exiled with Duplicant. It's still a Shapeshifter.

Whenever an opponent casts their first noncreature spell each turn, draw a card unless that player pays {X}, where X is Esper Sentinel's power.

Affinity for artifacts (This spell costs {1} less to cast for each artifact you control.)

Flying

Cascade (When you cast this spell, exile cards from the top of your library until you exile a nonland card with lesser mana value. You may cast it without paying its mana cost. Put the exiled cards on the bottom of your library in a random order.)

Choose one or more --

• Exile all artifacts.

• Exile all creatures.

• Exile all enchantments.

• Exile all graveyards.

Flying

Filigree Attendant's power is equal to the number of artifacts you control.

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

At the beginning of your end step, create a tapped Powerstone token. (It's an artifact with "{T}: Add {C}. This mana can't be spent to cast a nonartifact spell.")

{6}: Draw a card and put a +1/+1 counter on Geology Enthusiast.

Haste

{1}: Gingerbrute can't be blocked this turn except by creatures with haste.

{2}, {T}, Sacrifice Gingerbrute: You gain 3 life.

({T}: Add {W} or {U}.)

Glacial Floodplain enters the battlefield tapped.

Glacial Fortress enters the battlefield tapped unless you control a Plains or an Island.

{T}: Add {W} or {U}.

When Glass Casket enters the battlefield, exile target creature an opponent controls with mana value 3 or less until Glass Casket leaves the battlefield.

Flash

{7}, {T}, Sacrifice Goblin Firebomb: Destroy target permanent.

When Great Desert Prospector enters the battlefield, create a tapped Powerstone token for each other creature you control. (The tokens are artifacts with "{T}: Add {C}. This mana can't be spent to cast a nonartifact spell.")

({T}: Add {W} or {U}.)

As Hallowed Fountain enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.

{T}: Add {W}.

{T}: Add {U}.

Prototype {2}{U}{U} -- 3/3 (You may cast this spell with different mana cost, color, and size. It keeps its abilities and types.)

You may have Hulking Metamorph enter the battlefield as a copy of an artifact or creature you control, except it's an artifact creature in addition to its other types, and its power and toughness are equal to Hulking Metamorph's power and toughness.

({T}: Add {W} or {U}.)

Idyllic Beachfront enters the battlefield tapped.

When Ingenious Smith enters the battlefield, look at the top four cards of your library. You may reveal an artifact card from among them and put it into your hand. Put the rest on the bottom of your library in a random order.

Whenever one or more artifacts enter the battlefield under your control, put a +1/+1 counter on Ingenious Smith. This ability triggers only once each turn.

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

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

-1: Pay any amount of mana. Look at that many cards from the top of your library, then put one of those cards into your hand and the rest on the bottom of your library in a random order.

-7: You get an emblem with "Tap an untapped artifact you control: This emblem deals 1 damage to any target."

Return target creature card from your graveyard to the battlefield. Create a Food token. (It's an artifact with "{2}, {T}, Sacrifice this artifact: You gain 3 life.")

Equipped creature has haste and shroud. (It can't be the target of spells or abilities.)

Equip {0}

{T}: Add {C}.

{T}: Target nonland permanent becomes an artifact in addition to its other types until end of turn.

Target artifact or creature gains hexproof and indestructible until end of turn. Scry 1.

{T}: Add {C}.

{1}, {T}: Untap another target artifact.

{3}, {T}: Target creature can't be blocked this turn.

When Meteor Golem enters the battlefield, destroy target nonland permanent an opponent controls.

{2}: Mirage Mirror becomes a copy of target artifact, creature, enchantment, or land until end of turn.

{T}: Add {C}.

{1}: Mishra's Factory becomes a 2/2 Assembly-Worker artifact creature until end of turn. It's still a land.

{T}: Target Assembly-Worker creature gets +1/+1 until end of turn.

{T}: Add {C}.

{2}: Mishra's Foundry becomes a 2/2 Assembly-Worker artifact creature until end of turn. It's still a land.

{1}, {T}: Target attacking Assembly-Worker gets +2/+2 until end of turn.

When Myr Battlesphere enters the battlefield, create four 1/1 colorless Myr artifact creature tokens.

Whenever Myr Battlesphere attacks, you may tap X untapped Myr you control. If you do, Myr Battlesphere gets +X/+0 until end of turn and deals X damage to the player or planeswalker it's attacking.

Nevinyrral's Disk enters the battlefield tapped.

{1}, {T}: Destroy all artifacts, creatures, and enchantments.

Improvise (Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for {1}.)

Destroy all nonartifact creatures.

Flying

Flying

{T}: Add one mana of any color.

Magical Tinkering -- {W}, {T}, Sacrifice an artifact: Search your library for an artifact card with mana value equal to 1 plus the sacrificed artifact's mana value, put it onto the battlefield, then shuffle. Activate only as a sorcery.

Exile target creature. Its controller may search their library for a basic land card, put that card onto the battlefield tapped, then shuffle.

{T}: Add {C}.

{1}, {T}, Sacrifice an artifact: You gain 1 life.

Flying

When Pilgrim's Eye enters the battlefield, you may search your library for a basic land card, reveal it, put it into your hand, then shuffle.

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

{8}, {T}: Search your library for a permanent card, put it onto the battlefield, then shuffle.

At the beginning of your end step, if you control two or more other creatures, draw a card.

{3}{W}: Create a 1/1 colorless Soldier artifact creature token.

Unearth {2}{W}{W}

As Port Town enters the battlefield, you may reveal a Plains or Island card from your hand. If you don't, Port Town enters the battlefield tapped.

{T}: Add {W} or {U}.

When Portable Hole enters the battlefield, exile target nonland permanent an opponent controls with mana value 2 or less until Portable Hole leaves the battlefield.

Power Depot enters the battlefield tapped.

{T}: Add {C}.

{T}: Add one mana of any color. Spend this mana only to cast artifact spells or activate abilities of artifacts.

Modular 1

({T}: Add {W} or {U}.)

Prairie Stream enters the battlefield tapped unless you control two or more basic lands.

{T}: Add {C}.

{1}, {T}: Add one mana of any color.

Return target artifact or creature card with mana value 3 or less from your graveyard to the battlefield. If a creature enters the battlefield this way, it enters with an additional +1/+1 counter on it.

Return target artifact, enchantment, or planeswalker card from your graveyard to the battlefield. Create a tapped Powerstone token. (It's an artifact with "{T}: Add {C}. This mana can't be spent to cast a nonartifact spell.")

Flying

When Sanctum Gargoyle enters the battlefield, you may return target artifact card from your graveyard to your hand.

{T}: Add {U}.

{1}: Look at the top three cards of your library, then put them back in any order.

{T}: Draw a card, then put Sensei's Divining Top on top of its owner's library.

Flying

When Silver Raven enters the battlefield, scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.)

Equipped creature gets +1/-1.

Whenever equipped creature dies, draw two cards.

Equip {1}

{1}, {T}: Add {W}{U}.

Whenever Slagstone Refinery or another nontoken artifact you control is put into a graveyard from the battlefield or is put into exile from the battlefield, create a tapped Powerstone token. (It's an artifact with "{T}: Add {C}. This mana can't be spent to cast a nonartifact spell.")

Whenever an opponent draws a card, that player may pay {2}. If the player doesn't, you create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")

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

Suspend 3--{1} (Rather than cast this card from your hand, pay {1} and exile it with three 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.)

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

When Solemn Simulacrum enters the battlefield, you may search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.

When Solemn Simulacrum dies, you may draw a card.

When Soul-Guide Lantern enters the battlefield, exile target card from a graveyard.

{T}, Sacrifice Soul-Guide Lantern: Exile each opponent's graveyard.

{1}, {T}, Sacrifice Soul-Guide Lantern: Draw a card.

Protection from multicolored (This creature can't be blocked, targeted, dealt damage, enchanted, or equipped by anything multicolored.)

Whenever a nonbasic land enters the battlefield under an opponent's control, you gain 1 life.

{T}: Add {C}.

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

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

Create two tapped Powerstone tokens. If the sacrificed artifact was legendary, draw a card. (The tokens are artifacts with "{T}: Add {C}. This mana can't be spent to cast a nonartifact spell.")

Prototype {3}{U} -- 2/3 (You may cast this spell with different mana cost, color, and size. It keeps its abilities and types.)

Flying

When Spotter Thopter enters the battlefield, scry X, where X is its power.

{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.

Flying

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

When Static Net enters the battlefield, exile target nonland permanent an opponent controls until Static Net leaves the battlefield.

When Static Net enters the battlefield, you gain 2 life and create a tapped Powerstone token. (It's an artifact with "{T}: Add {C}. This mana can't be spent to cast a nonartifact spell.")

Vigilance

When Staunch Throneguard enters the battlefield, you become the monarch.

Flying

{2}: Steel Hellkite gets +1/+0 until end of turn.

{X}: Destroy each nonland permanent with mana value X whose controller was dealt combat damage by Steel Hellkite this turn. Activate only once each turn.

Prototype {1}{W}{W} -- 3/3 (You may cast this spell with different mana cost, color, and size. It keeps its abilities and types.)

Flying

At the beginning of combat on your turn, target creature you control gains your choice of flying, vigilance, or lifelink until end of turn.

As Stenn, Paranoid Partisan enters the battlefield, choose a card type other than creature or land.

Spells you cast of the chosen type cost {1} less to cast.

{1}{W}{U}: Exile Stenn. Return it to the battlefield under its owner's control at the beginning of the next end step.

Draw two cards, then discard a card. Create a tapped Powerstone token. (It's an artifact with "{T}: Add {C}. This mana can't be spent to cast a nonartifact spell.")

Reach, trample, protection from multicolored

Stonecoil Serpent enters the battlefield with X +1/+1 counters on it.

Indestructible

As Stuffy Doll enters the battlefield, choose a player.

Whenever Stuffy Doll is dealt damage, it deals that much damage to the chosen player.

{T}: Stuffy Doll deals 1 damage to itself.

Vigilance

Ward {4} (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays {4}.)

When Su-Chi Cave Guard dies, add eight {C}. Until end of turn, you don't lose this mana as steps and phases end.

Equipped creature has hexproof and haste. (It can't be the target of spells or abilities your opponents control.)

Equip {1}

Flying, haste

When Swiftgear Drake enters the battlefield, put up to one target card from a graveyard on the bottom of its owner's library.

Exile target creature. Its controller gains life equal to its power.

Temple of Enlightenment enters the battlefield tapped.

When Temple of Enlightenment enters the battlefield, scry 1.

{T}: Add {W} or {U}.

{T}: Add {C}{C}. Activate only if you control five or more lands.

Flying

Whenever you cast a historic spell, return target creature card with mana value 3 or less from your graveyard to the battlefield. (Artifacts, legendaries, and Sagas are historic.)

When The Mightstone and Weakstone enters the battlefield, 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.)

{2}, {T}, Exile The Stasis Coffin: You gain protection from everything until your next turn.

Affinity for artifacts

Flying

When Thought Monitor enters the battlefield, draw two cards.

You have no maximum hand size.

{T}: Add {C}.

Reach

When Thran Spider enters the battlefield, you and target opponent each create a tapped Powerstone token.

{7}: Look at the top four cards of your library. You may reveal an artifact card from among them and put it into your hand. Put the rest on the bottom of your library in a random order.

Whenever a land enters the battlefield tapped and under your control, choose one --

• Untap that land.

• Tap target nonland permanent an opponent controls.

When Treasure Hunter enters the battlefield, you may return target artifact card from your graveyard to your hand.

{T}: Add {C}.

{X}{X}, {T}, Sacrifice Treasure Vault: Create X Treasure tokens.

When Trophy Mage enters the battlefield, you may search your library for an artifact card with mana value 3, reveal it, put it into your hand, then shuffle.

When Trusty Packbeast enters the battlefield, return target artifact card from your graveyard to your hand.

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

Choose two --

• Creatures you don't control get -2/-0 until end of turn.

• Create a tapped Powerstone token.

• Create a tapped 0/0 colorless Construct artifact creature token with "This creature gets +1/+1 for each artifact you control."

• Scry 1, then draw a card.

Artifact creatures you control get +2/+2.

{6}: Create a token that's a copy of target artifact you control, except it's a 1/1 Soldier creature in addition to its other types.

You may cast spells as though they had flash.

Whenever you roll one or more dice, put a number of charge counters on Vexing Puzzlebox equal to the result.

{T}: Add one mana of any color. Roll a d20.

{T}, Remove 100 charge counters from Vexing Puzzlebox: Search your library for an artifact card, put that card onto the battlefield, then shuffle.

{2}, {T}, Sacrifice Wayfarer's Bauble: Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.