Empty Machine (BLRR-EN027) [Battles of Legend: Relentless Revenge]

Once, while this card is face-up on the field, it cannot be destroyed by your opponent's card effect. Once per turn: You can activate 1 of these effects.
<br>• Discard 1 Level 10 monster; draw 1 card.
<br>• If you control no other cards in your Spell & Trap Zones: You can target 1 "Timelord" monster in your GY; shuffle it into the Deck, then you can Set 1 "Infinite Machine" from your hand or Deck to your Spell & Trap Zone.