Ranshi

When Ranshi enters the battlefield, you may
draw two cards. If you do, discard a card.
{u}{u}, Exile Ranshi from your graveyard: Counter
target spell unless its controller pays {x}, where X
is the number of cards in your hand.
Ranshi's pursuit of knowledge is unyielding, and
the secrets he unravels can shape the very fabric of
reality.