[confi]Sink into Takenuma no discard+done button not working

[Aswan jaguar]

Describe the Bug:
1- Sink into Takenuma after swamps have been returned to hand no discard to target opponent happens.
2- You can't select not allowed to return to hand less swamps than the total swamps you control.Done button doesn't work.

Which card did behave improperly?
Sink into Takenuma

Which update are you using? (date, name)Which type? (duel, gauntlet, sealed deck)
Manalink 2016/08/27: Eldritch Moon v2, duel

What exactly should be the correct behavior/interaction?
1- Sink into Takenuma target player discards cards equal to number of swamps you return.
2- You can select to return to hand as many swamps as you want.Done button works and lets you end selection.


Are any other cards possibly affected by this bug?
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