Chilling Grasp

Instant

Oracle text:

Tap up to two target creatures. Those creatures don't untap during their controller's next untap step.
Madness {3} {U} (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)

Collection:

Eldritch Moon

Rarity:

Uncommon