: Change the text of target white enchantment you control that doesn't have cumulative upkeep by replacing all instances of one color word with another. ( For example, you may change "black creatures can't attack" to "blue creatures can't attack") That enchantment gains "Cumulative upkeep " ( At the beginning of its controller's upkeep, that player puts an age counter on it, then sacrifices it unless they pay its upkeep cost for each age counter on it)
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