Arcane Sanctum enters the battlefield tapped.

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

Deathtouch

Whenever you activate an ability of an artifact or creature that isn't a mana ability, if one or more permanents were sacrificed to activate it, you may copy that ability. You may choose new targets for the copy. (Sacrificing an artifact for mana to activate an ability doesn't count.)

{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.

Crumbling Necropolis enters the battlefield tapped.

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

+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.

Darkmoss Bridge enters the battlefield tapped.

Indestructible

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

Door to Nothingness enters the battlefield tapped.

{W}{W}{U}{U}{B}{B}{R}{R}{G}{G}, {T}, Sacrifice Door to Nothingness: Target player loses the game.

Drossforge Bridge enters the battlefield tapped.

Indestructible

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

Whenever another creature you control dies, investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this artifact: Draw a card.")

Whenever you sacrifice a token, surveil 1. (Look at the top card of your library. You may put that card into your graveyard.)

Frontier Bivouac enters the battlefield tapped.

{T}: Add {G}, {U}, or {R}.

At the beginning of the end step, if you control no artifacts, sacrifice Glimmervoid.

{T}: Add one mana of any color.

Goldmire Bridge enters the battlefield tapped.

Indestructible

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

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.

Companion -- No card in your starting deck has more than one of the same mana symbol in its mana cost. (If this card is your chosen companion, you may put it into your hand from outside the game for {3} as a sorcery.)

{T}: Add {W}{U}{B}{R}{G}. This mana can't be spent to pay generic mana costs.

Jungle Shrine enters the battlefield tapped.

{T}: Add {R}, {G}, or {W}.

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

Artifacts you control have hexproof. (They can't be the targets of spells or abilities your opponents control.)

Mistvault Bridge enters the battlefield tapped.

Indestructible

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

Mystic Monastery enters the battlefield tapped.

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

Nomad Outpost enters the battlefield tapped.

{T}: Add {R}, {W}, or {B}.

Opulent Palace enters the battlefield tapped.

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

Artifacts you control have hexproof.

At the beginning of your upkeep, if you control the artifact with the highest mana value or tied for the highest mana value, draw a card.

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

Protection from everything

If Progenitus would be put into a graveyard from anywhere, reveal Progenitus and shuffle it into its owner's library instead.

Razortide Bridge enters the battlefield tapped.

Indestructible

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

Sandsteppe Citadel enters the battlefield tapped.

{T}: Add {W}, {B}, or {G}.

Trample

Whenever a land enters 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.")

Savage Lands enters the battlefield tapped.

{T}: Add {B}, {R}, or {G}.

Savage Lands enters the battlefield tapped.

{T}: Add {B}, {R}, or {G}.

{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.

Seaside Citadel enters the battlefield tapped.

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

Silverbluff Bridge enters the battlefield tapped.

Indestructible

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

Slagwoods Bridge enters the battlefield tapped.

Indestructible

{T}: Add {R} or {G}.

{T}: Add {C}.

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

Whenever one or more noncreature permanents are returned to hand, draw a card. This ability triggers only once each turn.

{X}{W}, Return a land you control to its owner's hand: Return target artifact or enchantment card with mana value X or less from your graveyard to the battlefield. Activate only as a sorcery.

Tanglepool Bridge enters the battlefield tapped.

Indestructible

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

Haste

{U}{R}, {T}: Copy target activated or triggered ability you control from an artifact source. You may choose new targets for the copy. (Mana abilities can't be targeted.)

{T}: Add {C}.

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

{X}, {T}: The Mycosynth Gardens becomes a copy of target nontoken artifact you control with mana value X.

Thornglint Bridge enters the battlefield tapped.

Indestructible

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

Timeless Lotus enters the battlefield tapped.

{T}: Add {W}{U}{B}{R}{G}.