yugioh egyptian god deck slifer Yu-Gi-Oh! - From the Legendary Decks II set Yugioh Slifer the Sky Dragon

The Virtual World cards also have effects for helping you swarm the board with monsters, which in tandem with the graveyard summoning, lets you overpower the enemy early on

(h) 10.5 Any monies recovered by and paid to the Company by the Buyer shall be applied in the following order (in each case together with interest) to the payment of: (a) any legal or other costs incurred by the Company

I think this has an impact on the demand of the original cards

I love attacking and getting a few cards from a tapped down player who was not expecting me to open myself up

Heres a story from personal experience: I once tried to crossover a BGS 8 Jordan Fleer Rookie Card (without cracking it out, it went in its existing BGS slab as pictured below) to a PSA 8 min

Tails: All "Arcana Force" monsters you control lose 500 ATK