Dark Cafe

Field (You may only control one Field Land. If you
gain control of a second, sacrifice any previous Field
Land's you control. On your end step, this card
gains one Field Counter.)
{t}: Add {c} mana.
Remove X Field Counters: Activate only as a
sorcery. Add X mana of any color to your mana
pool. You can only use this mana to cast Wizard
and Fiend creature spells.