{U}, Sacrifice Aether Spellbomb: Return target creature to its owner's hand.

{1}, Sacrifice Aether Spellbomb: Draw a card.

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.

As an additional cost to cast this spell, sacrifice a creature.

Draw two cards.

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

Archway Commons enters the battlefield tapped.

When Archway Commons enters the battlefield, sacrifice it unless you pay {1}.

{T}: Add one mana of any color.

{T}, Sacrifice an artifact: Reveal cards from the top of your library until you reveal an artifact card. Put that card onto the battlefield and the rest on the bottom of your library in a random order. Audacious Reshapers deals damage to you equal to the number of cards revealed this way.

Destroy target creature. Create a Food token. (It's an artifact with "{2}, {T}, Sacrifice this artifact: You gain 3 life.")

{T}, Pay 2 life, Discard a card, Sacrifice a creature: Create a 5/5 black Demon creature token with flying. Activate only as a sorcery.

As an additional cost to cast this spell, sacrifice a creature.

Destroy target creature.

First strike

When Combustible Gearhulk enters the battlefield, target opponent may have you draw three cards. If the player doesn't, you mill three cards, then Combustible Gearhulk deals damage to that player equal to the total mana value of those cards.

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

Sacrifice Commander's Sphere: Draw a card.

When Coveted Jewel enters the battlefield, draw three cards.

{T}: Add three mana of any one color.

Whenever one or more creatures an opponent controls attack you and aren't blocked, that player draws three cards and gains control of Coveted Jewel. Untap it.

Equipped creature gets +1/+0 for each artifact you control.

{B}{B}: Attach Cranial Plating to target creature you control.

Equip {1}

When Crypt of the Eternals enters the battlefield, you gain 1 life.

{T}: Add {C}.

{1}, {T}: Add {U}, {B}, or {R}.

Casualty 3 (As you cast this spell, you may sacrifice a creature with power 3 or greater. When you do, copy this spell.)

You draw X cards and you lose X life.

+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.

Indestructible

{T}: Add {C}.

Dimir Guildgate enters the battlefield tapped.

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

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.

Multikicker {2} (You may pay an additional {2} any number of times as you cast this spell.)

Everflowing Chalice enters the battlefield with a charge counter on it for each time it was kicked.

{T}: Add {C} for each charge counter on Everflowing Chalice.

{T}, Sacrifice Evolving Wilds: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

{1}{B}, {T}, Sacrifice Executioner's Capsule: Destroy target nonblack creature.

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

You may pay {2}{R}{R} rather than pay this spell's mana cost.

If the {2}{R}{R} cost was paid, an opponent discards any number of cards, then draws that many cards.

Search your library for up to three cards, put them into your hand, shuffle, then discard three cards at random.

Gateway Plaza enters the battlefield tapped.

When Gateway Plaza enters the battlefield, sacrifice it unless you pay {1}.

{T}: Add one mana of any color.

When Goblin Engineer enters the battlefield, you may search your library for an artifact card, put it into your graveyard, then shuffle.

{R}, {T}, Sacrifice an artifact: Return target artifact card with mana value 3 or less from your graveyard to the battlefield.

{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.

{T}: Add {R}.

Flying, haste

{1}{R}: Hellkite Igniter gets +X/+0 until end of turn, where X is the number of artifacts you control.

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.

When Ichor Wellspring enters the battlefield or is put into a graveyard from the battlefield, draw a card.

{U}, Sacrifice Implement of Examination: Draw a card.

When Implement of Examination is put into a graveyard from the battlefield, draw a card.

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

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

{T}: Add {C}.

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

When Magmatic Galleon enters the battlefield, it deals 5 damage to target creature an opponent controls.

Whenever one or more creatures your opponents control are dealt excess noncombat damage, create a Treasure token.

Crew 2

Whenever equipped creature deals combat damage to a player, you may draw two cards. If you do, discard a card.

Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.)

When Mephitic Draught enters the battlefield or is put into a graveyard from the battlefield, you draw a card and you lose 1 life.

{T}: Add {C}.

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

Whenever another nontoken artifact enters the battlefield under your control, you may pay {2}. If you do, create a token that's a copy of that artifact.

At the beginning of combat on your turn, create a token that's a copy of target noncreature artifact you control, except its name is Mishra's Warform and it's a 4/4 Construct artifact creature in addition to its other types. It gains haste until end of turn. Sacrifice it at the beginning of the next end step.

{1}{U}, Sacrifice Mnemonic Sphere: Draw two cards.

Channel -- {U}, Discard Mnemonic Sphere: Draw a card.

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

When Mycosynth Wellspring enters the battlefield or is put into a graveyard from the battlefield, you may search your library for a basic land card, reveal it, put it into your hand, then shuffle.

Menace

When Noxious Gearhulk enters the battlefield, you may destroy another target creature. If a creature is destroyed this way, you gain life equal to its toughness.

Path of Ancestry enters the battlefield tapped.

{T}: Add one mana of any color in your commander's color identity. When that mana is spent to cast a creature spell that shares a creature type with your commander, scry 1. (Look at the top card of your library. You may put that card on the bottom.)

Your life total can't change. (You can't gain or lose life. You can't pay any amount of life except 0.)

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 {C}.

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

Whenever an artifact enters the battlefield under your control, you may discard a card. If you do, draw a card.

Whenever you cast an artifact spell, you may draw a card. If you do, discard a card.

Rupture Spire enters the battlefield tapped.

When Rupture Spire enters the battlefield, sacrifice it unless you pay {1}.

{T}: Add one mana of any color.

Improvise (Each artifact you tap after you're done activating mana abilities pays for {1}.)

Reveal the top X cards of your library. You may put any number of artifact cards with mana value X or less from among them onto the battlefield. Then put all cards revealed this way that weren't put onto the battlefield into your graveyard.

Salt Marsh enters the battlefield tapped.

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

Each player exiles all artifact cards from their graveyard, then sacrifices all artifacts they control, then puts all cards they exiled this way onto the battlefield.

{T}, Sacrifice an artifact with mana value X: Return target artifact card with mana value less than X from your graveyard to the battlefield. It gains haste until end of turn.

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

As an additional cost to cast this spell, sacrifice a creature.

You gain life equal to the sacrificed creature's toughness. Destroy target creature an opponent controls.

Equipped creature gets +1/-1.

Whenever equipped creature dies, draw two cards.

Equip {1}

{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 Spine of Ish Sah enters the battlefield, destroy target permanent.

When Spine of Ish Sah is put into a graveyard from the battlefield, return Spine of Ish Sah to its owner's hand.

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.

{1}, {T}: End the turn. Activate only during your turn. (Exile all spells and abilities from the stack. Discard down to your maximum hand size. Damage wears off, and "this turn" and "until end of turn" effects end.)

{1}, Sacrifice Surgical Skullbomb: Draw a card.

{2}{U}, Sacrifice Surgical Skullbomb: Return target creature to its owner's hand. Draw a card. Activate only as a sorcery.

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

{5}{U}, {T}: Draw a card. This ability costs {1} less to activate for each other artifact you control.

{T}, Sacrifice Terramorphic Expanse: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

{3}, {T}: Search your library for a basic land card, reveal it, put it into your hand, then shuffle.

At the beginning of your end step, if you control seven or more lands, transform Thaumatic Compass.

(Transforms from Thaumatic Compass.)

{T}: Add {C}.

{T}: Untap target attacking creature an opponent controls and remove it from combat.

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

Search your library for an artifact card, put that card onto the battlefield, then shuffle.

Transguild Promenade enters the battlefield tapped.

When Transguild Promenade enters the battlefield, sacrifice it unless you pay {1}.

{T}: Add one mana of any color.

Transmogrifying Wand enters the battlefield with three charge counters on it.

{1}, {T}, Remove a charge counter from Transmogrifying Wand: Destroy target creature. Its controller creates a 2/4 white Ox creature token. Activate only as a sorcery.

{4}, Sacrifice Treasure Chest: Roll a d20.

1 | Trapped! -- You lose 3 life.

2--9 | Create five Treasure tokens.

10--19 | You gain 3 life and draw three cards.

20 | Search your library for a card. If it's an artifact card, you may put it onto the battlefield. Otherwise, put that card into your hand. Then shuffle.

Flying, vigilance, trample

When Triplicate Titan dies, create a 3/3 colorless Golem artifact creature token with flying, a 3/3 colorless Golem artifact creature token with vigilance, and a 3/3 colorless Golem artifact creature token with trample.

{T}: Add {C}.

{7}, {T}, Sacrifice Unstable Obelisk: Destroy target permanent.

Vivid Creek enters the battlefield tapped with two charge counters on it.

{T}: Add {U}.

{T}, Remove a charge counter from Vivid Creek: Add one mana of any color.

Each opponent who controls more creatures than you can't cast creature spells. The same is true for artifacts and enchantments.

Each opponent who controls more lands than you can't play lands.

Waterfront District enters the battlefield tapped.

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

{2}{U}{B}, {T}, Sacrifice Waterfront District: Draw a card.

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

{T}, Sacrifice a creature: Create a Food token. If the sacrificed creature's toughness was 4 or greater, create two Food tokens instead. (They're artifacts with "{2}, {T}, Sacrifice this artifact: You gain 3 life.")