Pretty sure the only token that can transform is the Incubators from MOM. It doesn't come back.
701.28c. If a spell or ability instructs a player to transform a permanent that isn't represented by a transforming token or a transforming double-faced card, nothing happens.
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701.28c. If a spell or ability instructs a player to transform a permanent that isn't represented by a transforming token or a transforming double-faced card, nothing happens.