Tyrfing the Destroyer

[REQUIREMENT] Can be activated from turn 2 onward, if all of the monsters in your constructed Deck are DARK Attribute Galaxy Type monsters and you have a face-up Normal Monster on your field. [EFFECT] Send the top 3 cards of your Deck to the Graveyard. If a monster(s) with 1600 or more ATK was sent to the Graveyard by this effect, you can also add 1 of those monsters to your hand. Then, you can add 1 "Voidvelg Tyrfing" from your Deck or Graveyard to your hand. (Once per Duel.)