Inkmind Affliction

Target player reveals his or her hand. For
each player that revealed their hand this
way, choose a nonland card from it and that player discards that card.
Overload {b} (You may cast this spell for its overload cost. If you do, replace all instances of "target" with "each".)
"Aside from the unimaginable agony, projectile vomiting, suicidal urges, chronic suffering and endless despair, the process is completely painless."