Porygon

Artifacts you control cost {1} less to play.
{t} Add {w}, {u}, {b}, {r}, or {g}.
{t} Add {w}{w}, {u}{u}, {b}{b}, {r}{r} or {g}{g}. Sacrifice Porygon.
Recycle - {4}, Sacrifice Porygon. Return target artifact in your graveyard to your hand.
"It was the first artificial Pokémon..."