Discard Disco.

Target player draws X cards.

Choose a color. Target player reveals their hand and discards all cards of that color.

This artifact enters tapped. , , Sacrifice this artifact: Target opponent puts the cards from their hand on top of their library. Search that player's library for that many cards. That player puts those cards into their hand, then shuffles.

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