Magic: the Gathering - Datenbank

Icatian Store enters the battlefield tapped. You may choose not to untap Icatian Store during your untap step. At the beginning of your upkeep, if Icatian Store is tapped, put a storage counter on it. [T], Remove any number of storage counters from Icatian Store: Add [W] to your mana pool for each storage counter removed this way.