Tawnos, Rising Apprentice

Haste
{x}{x},{t}: Copy target artifact you control with
mana value X. Only activate as a sorcery and
only spend blue mana this way.
{x}{x}, sacrifice X artifacts, {t}: Deal X damage
to any target where X is the number of artifacts
sacrificed to activate this ability. Only activate
as a sorcery and only spend red mana this way.