Ripples of Potential [The Lost Caverns of Ixalan Commander]

Set: The Lost Caverns of Ixalan Commander Type: Instant Rarity: Rare Cost: {1}{U} Proliferate, then choose any number of permanents you control that had a counter put on them this way. Those permanents phase out. (To proliferate, choose any number of permanents and/or players, then give each another counter of each kind already there. Treat phased-out permanents and anything attached to them as though they don't exist until their controller's next turn.)