duress improvement

Whenever an opponent is dealt 3 or more damage by a single source, that player discards a card.

If a source would deal damage to a permanent or player, it deals double that damage to that permanent or player instead.

Whenever an opponent discards a card, this enchantment deals 2 damage to that player.

Target opponent reveals their hand. You choose a noncreature, nonland card from it. That player discards that card.