Gravestone Strider | Artifact Creature | Golem | {1}: Add one mana of any color. Activate only once each turn.
{2}, Exile Gravestone Strider from your graveyard: Exile target card from a graveyard. | Tom Babbey
2.5 LSV
Magnifying Glass | Artifact | | {T}: Add {C}.
{4}, {T}: Investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this artifact: Draw a card.") | Paolo Puggioni
1 LSV
Sanitation Automaton | Artifact Creature | Construct | When Sanitation Automaton enters the battlefield, surveil 1. (Look at the top card of your library. You may put it into your graveyard.) | Mike Burns
1.5 LSV
Thinking Cap | Artifact | Equipment | Equipped creature gets +1/+2.
Equip Detective {1}
Equip {3} ({3}: Attach to target creature you control. Equip only as a sorcery.) | Tony Foti
2 LSV