The number of mechanically unique Pokmon cards is much lower than the number of cards with different collector's numbers
Once cards are exiled with the delve ability the cost reduction is already applied to the delve spell being cast, so theres nothing to be responded to
As for the Trap Cards, Archfiend's Ghastly Glitch and Dogmatika Puinishment provide more ways remove cards from the field to help trigger the second effect of Labrynth Labyrinth, either by destroying or bouncing monster cards
It has to be put into the graveyard from the battlefield, shorthanded as dies in the abilitys reminder text
You can banish this card from your GY, then target 1 Xyz Monster you control
Fandaniel, Telophoroi AscianFandaniel, Telophoroi Ascian is a very funny name for a legendary creature, but the card itself isn't going to make opponents laugh