Universal Solvent

{7}, {T}, Sacrifice Universal Solvent: Destroy target permanent.

Crashing Drawbridge

Defender
{T}: Creatures you control gain haste until end of turn.

Kozilek's Pathfinder

{C}: Target creature can't block Kozilek's Pathfinder this turn. ({C} represents colorless mana.)

Mind Stone

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

Seer's Lantern

{T}: Add {C}.
{2}, {T}: Scry 1. (Look at the top card of your library. You may put that card on the bottom.)

Workshop Assistant

When Workshop Assistant dies, return another target artifact card from your graveyard to your hand.

Eldrazi Devastator

Blood Servitor

When Blood Servitor enters, create a Blood token. (It's an artifact with "{1}, {T}, Discard a card, Sacrifice this artifact: Draw a card.")

Scalding Cauldron

{3}, {T}, Sacrifice Scalding Cauldron: It deals 3 damage to target creature.

Moonglove Extract

Sacrifice Moonglove Extract: It deals 2 damage to any target.

Sojourner's Companion

Affinity for artifacts
Artifact landcycling {2} ({2}, Discard this card: Search your library for an artifact land card, reveal it, put it into your hand, then shuffle.)