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Describe the Bug:
I played Fleetfoot Panther with flash ability while Magus of the Future was on stack and I got this wrong parameters error.If you play Fleetfoot Panther after Magus of the Future has resolved or before you don't get an error,also I played it while other cards were on stack without a problem:

and in windows event viewer this:

error | Open

Event Type: Error
Event Source: Application Error
Event Category: None
Event ID: 1000
Date: 20/10/2016
Time: 6:08:03 μμ
User: N/A
Computer: ASWAN_JAGUAR
Description:
Faulting application magic.exe, version 7.0.0.0, faulting module magic.exe, version 7.0.0.0, fault address 0x00076b58.

For more information, see Help and Support Center at http://go.microsoft.com/fwlink/events.asp.
Data:
0000: 41 70 70 6c 69 63 61 74 Applicat
0008: 69 6f 6e 20 46 61 69 6c ion Fail
0010: 75 72 65 20 20 6d 61 67 ure mag
0018: 69 63 2e 65 78 65 20 37 ic.exe 7
0020: 2e 30 2e 30 2e 30 20 69 .0.0.0 i
0028: 6e 20 6d 61 67 69 63 2e n magic.
0030: 65 78 65 20 37 2e 30 2e exe 7.0.
0038: 30 2e 30 20 61 74 20 6f 0.0 at o
0040: 66 66 73 65 74 20 30 30 ffset 00
0048: 30 37 36 62 35 38 0d 0a 076b58..

Which card did behave improperly ?


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 ?
If Fleetfoot Panther is cast while Magus of the Future is on the stack game doesn't crash.

Are any other cards possibly affected by this bug ?
-

doesn't happen in a clean game.

I tested some more with the savegame and it seems the interaction of Magus of the Future with Rites of Flourishing in play and AI having lands on top of library and Fleetfoot Panther breaking probably AI thinking causes the bug.In my scenario in first post if I remove either Rites of Flourishing from play or make AI draw the lands from the top of it's library then the bug doesn't happen.