Caradinal Noid, Grunder

:When this unit is placed on from hand, if your World is Dark Night or Abyssal Dark Night, you may look at the top seven cards of your deck. If you do, choose up to two World cards from among the cards looked at, discard them, and shuffle the deck. :At the end of the battle this unit attacked a vanguard, if your World is Abyssal Dark Night, [retire this unit], choose a World card from your drop, and put it into hand.