Buried in the Garden + Mystical Tether
During an OTJ Premier draft, the following situation occurred: I cast Pest Infestation, destroying my opponent‘s Buried in the garden which in turn had exiled my own Buried in the garden. When my enchantment returned, it asked me to attach it to a permanent. I wanted to select my opponent‘s Mystical Tether that had removed one my creatures. It was however not possible to select the Mystical Tether no matter how often I touched it. Eventually my clock ran off and the Buried in the garden ended up removing my opponent’s Mobile Homestead that I did not want to target.
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DAC169#34537 commented
Game was asking you which land you wanted to attach it to, not which non-land permanent you wanted to exile with it.