Finally tested the "may moveTo" function physically, it works, but there is this slight bug (that doesnt harm anything) but say "when XYZ comes into play, you may move 123 from your graveyard to your hand" you play XYZ, and choose 123 from your graveyard, you selected 123, but it still appears to be still in the graveyard, even thought i really have returned to your hand, but if u exit the graveyard and goes back in again, it really have disappeared.
(i think its better to see it yourself... getting too wordy)
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