Goblin Dabbler

Contraptions you control are 3/1 colorless Construct creatures in addition to their other types.
{r}{r}, {t}: Assemble a Contraption. (Put the top card of your library onto the battlefield face down as
a colorless artifact Contraption.)
"I'm not sure what they were made to do, only what
I can make them do."
-Jiru, Contraption Master