■ When you put this artifact , put 3 seals on it. (To seal a card , put the top card of your deck on that card face down .)

■ At the start of your turn , put a seal on this artifact on the bottom of your deck .

■ When you remove all seals from this artifact , put it into your graveyard . The next time you use a card this turn , you may reduce its cost by up to 3. It can't cost 0 or less.