2007 pokemon booster box EX Power Keepers was released on May 22 EX Era Sealed Pokémon (2003–2007)

To find that payoff, we could use massive reanimation spells, like Patriarch's BiddingPatriarch's Bidding, or perhaps use TiamatTiamat as a simple way to fetch for both of the combo-oriented Niv-Mizzets (Niv-Mizzet, ParunNiv-Mizzet, Parun and Niv-Mizzet, The FiremindNiv-Mizzet, The Firemind) to pair with CuriosityCuriosity effects

It also has some pretty solid synergies with attack triggers like Isshin, Two Heavens as One and Saddle works well with the new Survival mechanic out of Duskmourn: House of Horrors

Only 57 graded copies exist 26 of which are a PSA 10 PSA 10 $35,200 [Source] 22

As it stands, Yu-Gi-Oh

Zurgo, Thunders Decree from the main set is also a shoe-in