Dicelops (MP17-EN025) [2017 Mega-Tins Mega Pack]

Once per turn: You can roll a six-sided die, then apply the result.
<br>• 1: Look at your opponent's hand, also discard 1 card from their hand.
<br>• 2, 3, 4, 5: Discard 1 card.
<br>• 6: Discard your entire hand.