one piece tcg extra booster box | [EB03] in fact One Piece TCG: Extra Booster:

Ancient-themed Pokmon ex and a strong supporting cast of Ancient Pokmon

His job was to monitor the Duel Runners' performance via a computer terminal at their team station

Another way you can use Zefra monsters is to combine previously incompatible strategies together into a new super-Deck

Attack!" When Yuri Summons "Predaplant Flytrap" he announces, "Predaplant Flytrap!" "I activate Predaplant Flytrap's effect!" "Predaplant Flytrap's effect activates when it battles!" Most of the time when Yuri declares an attack with this monster, he announces, "Go get 'em, Flytrap!" When Yuri Summons "Predaplant Heliamphorhynchus" a cut-in frame of Yuri briefly appears, and he announces, "Level 8 Predaplant Heliamphorhynchus!" "I activate Heliamphorhynchus' effect from my hand!" "Heliamphorhynchus' effect activates when it's destroyed!" Most of the time when Yuri declares an attack with this monster, he announces, "Heliamphorhynchus

3 of them are randomly included in the Green Initial Deck

However, where it shines is in its debilitating effect: once per turn, players can target one (1) face-up Monster on the opponents side of the field and force it to halve its ATK and DEF, making it dangerous against normally-strong Dragon-types