In Gambit's Hypnotic Charm, who looks at each player's top card, who decides, and where do discarded or put-back cards go?

Question

Accepted Answer

The player who played Hypnotic Charm does the looking and chooses for every player's revealed card. A discarded card goes to its owner's discard pile, and a card put back returns to the top of its owner's deck.

Legendary: A Marvel Deck Building Game

In Gambit's Hypnotic Charm, who looks at each player's top card, who decides, and where do discarded or put-back cards go?