$0.21
Stop That 
Instant
Unhinged Common
Target player discards a card.
Gotcha — If an opponent audibly flicks the cards in their hand, you may say "Gotcha" When you do, return Stop That from your graveyard to your hand.
Gotcha — If an opponent audibly flicks the cards in their hand, you may say "Gotcha" When you do, return Stop That from your graveyard to your hand.
Now for a squirt of lemon juice.
#63 — Illus. Anson Maddocks