When you encounter Interplanar Tunnel, reveal cards from the top of your planar deck until you reveal five plane cards. Put a plane card from among them on top of your planar deck, then put the rest of the revealed cards on the bottom in a random order. (Then planeswalk away from this phenomenon.)
Near Mint - $1.75
Lightly Played - $1.50
Moderately Played - $1.25
Heavily Played - $1.00
Damaged - $0.75
Near Mint Non-English - $1.75
Lightly Played Non-English - $1.50
Moderately Played Non-English - $1.25
Heavily Played Non-English - $1.00
Damaged Non-English - $0.75