Prof. Bernice Summerfield

{b}{b}{t} Dig Site - You may search your graveyard
for an Artifact. You can either add it to your hand
or cast it for its mana cost plus {2} mana. Any spell
cast this way gains haste for one turn.

Doctor's Companion

There's a whole bunch of wars and everybody thinks
they're dead, then some bloody stupid archaeologists
find their tomb.