The Water Crystal (0333) [Final Fantasy]

Legendary Artifact · {2}{U}{U}

Blue spells you cast cost {1} less to cast.
If an opponent would mill one or more cards, they mill that many cards plus four instead.
{4}{U}{U}, {T}: Each opponent mills cards equal to the number of cards in your hand.

Final Fantasy #333 · rare · Art by Makura Tami