Parallax Nexus

Fading 5 (This permanent comes into play with five fade counter
Remove a fade counter from Parallax Nexus: Target opponent removes a card in his or her hand from the game if Parallax Nexus is in play. Play this ability only any time you could play a sorcery.
When Parallax Nexus leaves play, each player returns to his or her hand all cards he or she owns removed from the game with Parallax Nexus.