Aquamarine, Tiny Hunter

Unblockable, Millstrike (When this creature deals
combat damage to a player, that player mills that
many cards)

{w}{u}{b}{r}{g}, {t}: Create a Gem creature token and
exile Aquamarine and another target creature you
control that shares a creature type until the token
leaves the battlefield. The token has the combined
creature types, colors, power, toughness, and
keyword abilities of the exiled creatures. Activate
only as a sorcery.