Your opponent declares a monster Level from 1 to 12. Excavate cards from the top of your Deck until you excavate a monster that can be Normal Summoned/Set, then, if that monster is the same Level as the one declared by your opponent, send all excavated cards to the GY. If not, Special Summon the excavated monster, also send the remaining cards to the GY.
Your opponent declares a monster Level. Then pick up cards from the top of your Deck until a monster that can be Normal Summoned is picked up. If that monster is the same Level as the one declared by your opponent, send all picked up cards to the Graveyard. If not, Special Summon the picked up monster and send the remaining cards to the Graveyard.