yugioh 5d's cards Complete Custom Deck for Yu-Gi-Oh! On the outskirts of New Domino City Yugioh 5Ds Anime Style Cards

Honestly, with that disparity in rarity between the Mega Hyper Rare and the SIR, Im a little surprised the Mega Zygarde ex Mega Hyper Rare isnt even more valuable than it currently is on the secondary card market

Sorcery Treason of Isengard Put up to one target instant or sorcery card from your graveyard on top of your library

If you are playing a graveyard deck all about throwing your own library into the great beyond, you can get this great behemoth out on the field in just a handful of turns

1 Rarity Unfortunately, this isn't as plain to see as the other factors affecting value

And then add in cards to make everyone take damage, like Geier Reach Sanitarium and Mikokoro, Center of the Sea