I just got back into the game so I have a hard time remembering some of the rules. I have a artifact card that when I tap a land and sacrifice it I gain 5 life. Then I have cards that bring back a artifact from the graveyard to my hand. Can I continue this process over and over, sometimes sacrificing the artifact twice in the same turn? I seem to faintly remember something about the second time your sacrifice a card it is removed from the game, not put into the graveyard.
Thank you for the help!