Enchantment — Aura

088/275 Uncommon

Enchant creature, Concentration (Whenever enchanted creature is dealt damage or targeted by a spell or ability, sacrifice this enchantment.)

Enchanted creature is goaded, cannot block, and has “Whenever this creature is dealt damage or targeted by a spell or ability, its controller discards a card.”

Whenever enchanted creature attacks, its controller discards a card.

Every Magic set needs a few hand disruption cards, and this one is MEAN! Most Concentration spells are designed to enchant your own creatures for a benefit, but this is a rare exception where you instead want to enchant an opponent’s creature. The set offers plenty of ways to target your own creatures (eg Inspiration tokens, or even moving to Equip a piece of equipment), but Crown of Madness will punish you HARD if you can’t.

And even if you do find a way to break Concentration right away, it forces a discard on its way out. Perfectly sinister.