Duo Maxwell, God of Death

Vigilance, haste
Launch: Gundam Deathscythe (You may cast
Gundam Deathscythe artifact spells without paying
their mana costs.)
{r}{w}: Search your library, graveyard, and exile
for a Deathscythe artifact, and put it into your
hand. Then shuffle your library. You cannot cast artifact spells for the rest of the turn.