Blade of 1980 Rusts

Menace, double strike, haste, artifact offering
(You may cast this card any time you could cast an
instant by sacrificing an artifact and paying the
difference in mana costs between this and the
sacrificed artifact. Mana cost includes color.)
Whenever Blade of 1980 Rusts attacks, destroy
up to 1980 artifacts an opponent controls
{2}{b/r}: Blade of 1980 Rusts gets +1/+0 until end
of turn.