Stop That
Instant$0.21
Target player discards a card. Gotcha — If an opponent audibly flicks the cards in their hand, you may say "Gotcha!" When you do, return this card from your graveyard to your hand.
Not legal in Commander
Instant$0.21
Target player discards a card. Gotcha — If an opponent audibly flicks the cards in their hand, you may say "Gotcha!" When you do, return this card from your graveyard to your hand.
Not legal in Commander