Frenrygg, Ark Magnificant

{u/r}, Sacrifice an artifact: Target creature you
control gets +2/+2 and gains haste until end of
turn.

{x}, {t}: Choose an artifact card with mana value X
in your graveyard. Put that card on the bottom of
your library: Create two tokens that are copies of
the chosen card. Activate only as a sorcery.