Koa'ki Meiru Speeder (ANPR-EN020) - Ancient Prophecy Unlimited

During each of your End Phases, destroy this card unless you send 1 "Iron Core of Koa'ki Meiru" from your hand to the Graveyard or reveal 1 Machine-Type monster in your hand. If you draw "Iron Core of Koa'ki Meiru" during your Draw Phase, you can reveal it to your opponent to draw 1 more card.