Jewel of Sarpadia

Jewel of Sarpadia enters the battlefield with X
Gem counters. When it enters the battlefield,
you may have target player draw X cards.
{t}, Remove a Gem counter from Jewel of
Sarpadia: Add 3 mana of any color. Use this only
to pay for the Crystallize cost of a card in exile.
{5}, {t}: Return Jewel of Sarpadia to its owner's
hand.