the duelist genesis booster box Duelist Genesis Booster Box card set is the first to feature cards from the all Konami YU-GI-OH CCG: Booster Box:

we already expect big mana things to happen

If youre really worried then maybe put under a flat heavy object like a Pokedex of all 893 Pokemon

WotC's Matt Tabak explains in his Doctor Who Mechanics article: If multiple players are offered a villainous choice, the first opponent in turn order makes their choice, then that effect happens

Youre probably doing all the usual stax stuff youd be doing with Urza, or playing a fair Treasure game where you ramp into deadly instants and sorceries

X Set: Platinum: Supreme Victors Year: 2009 Number: 143 Rarity: Rare Holo Lv

While that likely wouldnt be the optimal play, it might be too hilarious for your opponent not to do it