Perplex
Instant
Counter target spell unless its controller discards their hand.
Transmute (, Discard this card: Search your library for a card with the same mana value as this card, reveal it, put it into your hand, then shuffle. Transmute only as a sorcery.)
Legalities
- brawl: banned
- commander: legal
- legacy: legal
- modern: legal
- pauper: legal
- pioneer: banned
- standard: banned
- vintage: legal
Rulings
- 2005-10-01:
If the spell’s controller has no cards in their hand, that player can still choose to discard their hand and prevent the spell from being countered.