Krark-Clan Ironworks

Sacrifice an artifact: Add {2} to your mana pool.

Grove of the Burnwillows

{T}: Add {1} to your mana pool. {PT}: Add {R} or {G} to your mana pool. Each opponent gains 1 life.

Ghirapur Aether Grid

Tap two untapped artifacts you control: Ghirapur Aether Grid deals 1 damage to target creature or player.

Hangarback Walker

Hangarback Walker enters the battlefield with X +1/+1 counters on it. When Hangarback Walker dies, put a 1/1 colorless Thopter artifact creature token with flying onto the battlefield for each +1/+1 counter on Hangarback Walker.{1}, {T}: Put a +1/+1 counter on Hangarback Walker.

Chromatic Sphere

{1}, {T}, Sacrifice Chromatic Sphere: Add one mana of any color to your mana pool. Draw a card.

Ichor Wellspring

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

Engineered Explosives

Sunburst (This enters the battlefield with a charge counter on it for each color of mana spent to cast it.) {2}, Sacrifice Engineered Explosives: Destroy each nonland permanent with converted mana cost equal to the number of charge counters on Engineered Explosives.

Darksteel Citadel

Indestructible (Effects that say "destroy" don't destroy this land.) {T}: Add {1} to your mana pool.

Emrakul, the Aeons Torn

Emrakul, the Aeons Torn can't be countered. When you cast Emrakul, take an extra turn after this one. Flying, protection from colored spells, annihilator 6 When Emrakul is put into a graveyard from anywhere, its owner shuffles his or her graveyard into his or her library.

Ancient Stirrings

Look at the top five cards of your library. You may reveal a colorless card from among them and put it into your hand. Then put the rest on the bottom of your library in any order. (Cards with no colored mana in their mana costs are colorless. Lands are also colorless.)

Mox Opal

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

Nihil Spellbomb

{T}, Sacrifice Nihil Spellbomb: Exile all cards from target player's graveyard. When Nihil Spellbomb is put into a graveyard from the battlefield, you may pay {B}. If you do, draw a card.

Ensnaring Bridge

Each creature with power greater than the number of cards in your hand cannot attack.

Academy Ruins

{T}: Add {1} to your mana pool. {1}{U}, {T}: Put target artifact card in your graveyard on top of your library.

Chromatic Star

{1}, {T}, Sacrifice Chromatic Star: Add one mana of any color to your mana pool. When Chromatic Star is put into a graveyard from play, draw a card.

Defense Grid

During each player's turn, spells played by another player cost an additional {3}.

Everflowing Chalice

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 {1} to your mana pool for each charge counter on Everflowing Chalice.

Nature's Claim

Destroy target artifact or enchantment. Its controller gains 4 life.

Sanctum of Ugin

Mind Stone

Terrarion

Aether Hub

Inventors' Fair

Padeem, Consul of Innovation

Battle at the Bridge

Scrap Trawler

Forest

({T}: Add {G}.)