, Remove any number of storage counters from this land: Add 
for each storage counter removed this way.No reference price for this printing yet: not enough stores to make an average.
Run a comparison: we query the stores live, it may have arrived this morning.
Whether or not it is tapped is checked at the beginning of upkeep. If it is not tapped, the ability does not trigger. It also checks during resolution and you only get a counter if it is still tapped then.
2004-10-04 · Wizards of the CoastCounters are not lost if the land is changed to another land type. They wait around for the land to change back.
2004-10-04 · Wizards of the CoastIt is only considered “tapped for mana” if you activate its mana ability and generate mana from it.
2004-10-04 · Wizards of the CoastIf the land is tapped by some external effect, no counters are removed from it.
2004-10-04 · Wizards of the Coast
401 Games · Condition DMG
Face to Face Games · Condition LP
