Too many cards in hand
Not being able to play cards because they are not on the screen
1
vote

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Halvar#34277 commented
I had no cards in my library because I was playing against mill. Fast the wish spell from exile. To go and get Jace, Wielder of Mysteries. To then draw and win the game. I casted the wish spell but was unable to retrieve Jace from the sideboard. Eventually I timed out and lost. It has now happened to me in 4 different games.