Spo, Time-travelling Scavenger

When Spo enters the battlefield or deals combat
damage to a player, create a scrap artifact token.
Whenever you sacrifice an artifact, Spo can't be blocked until end of turn.
{1}{u}, Sacrifice an artifact: Draw a card
{3}{u}{u}: Spo and all equipment and auras
attached to it phase out.
"Now, this might look like a piece of junk,
but *coughs* ...Oh wait, it is."