Key to the City | Artifact | | {T}, Discard a card: Up to one target creature can't be blocked this turn.
Whenever Key to the City becomes untapped, you may pay {2}. If you do, draw a card. | Sean Murray
3.5 LSV
Scrapheap Scrounger | Artifact Creature | Construct | Scrapheap Scrounger can't block.
{1}{B}, Exile another creature card from your graveyard: Return Scrapheap Scrounger from your graveyard to the battlefield. | Jason A. Engle
Smuggler's Copter | Artifact | Vehicle | Flying
Whenever Smuggler's Copter attacks or blocks, you may draw a card. If you do, discard a card.
Crew 1 (Tap any number of creatures you control with total power 1 or more: This Vehicle becomes an artifact creature until end of turn.) | Florian de Gesincourt