Automated One

: You can spent mana as though it were mana of any color to cast creatures spells and they count as artifacts in addition to their other types.
-1: Discard a card: Create a Gemstone Mine token with three mining counters on it.
: (Tap: Remove a mining counter from Gemstone Mine: Add one mana of any color. If there are no mining counters on Gemstone Mine, sacrifice it.)