Wastelander’s Bazaar

{t}: Add {1} mana to your mana pool.
{1}{t}: Draw a card and discard a card.
{1}{t}: Create a 0/1 colorless Junk Droid artifact creature token.
{r}{r}{r}{r}: This card becomes an {x}/{x} colorless artifact creature with haste and trample until the end of the turn, where {x} is equal to the number of artifacts in your graveyard.