Codex Shredder 
Artifact
: Target player mills a card. (They put the top card of their library into their graveyard.)
, , Sacrifice this artifact: Return target card from your graveyard to your hand.
Legality
standardNOT LEGALpioneerLEGALmodernLEGALlegacyLEGALvintageLEGALcommanderLEGAL