Meria, Scholar of Antiquity

Tap an untapped nontoken artifact you control: Add {G}.
Tap two untapped nontoken artifacts you control: Exile the top card of your library. You may play it this turn.

Sensei's Divining Top

{1}: Look at the top three cards of your library, then put them back in any order.
{T}: Draw a card, then put this artifact on top of its owner's library.

Chrome Mox

Imprint — When this artifact enters, you may exile a nonartifact, nonland card from your hand.
{T}: Add one mana of any of the exiled card's colors.

Forest

Mox Opal

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

Bootleggers' Stash

Lands you control have "{T}: Create a Treasure token."

Amulet of Vigor

Whenever a permanent you control enters tapped, untap it.

Mountain

Sol Ring

Unwinding Clock

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

Heroic Intervention

Permanents you control gain hexproof and indestructible until end of turn.

Foundry Inspector

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

Lotus Petal

{T}, Sacrifice this artifact: Add one mana of any color.