Put a +1/+1 counter on target creature. It phases out. (Treat it and anything attached to it as though they don't exist until its controller's next turn.)
Colour identity Blue
In short
Slip Out the Back has 3 listed printings; the most valuable is the Secret Lair · Out Of Sight Foil printing from SLD at US$13.22 on TCGplayer's market price. Prices below are the cheapest in-stock listing in the United States.
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