Back when the deck was tribal soldiers I ran a ton of cards that buffed the soldier tokens to make them big and scary, but a lot of those were too weak and I didn't want to draw into too many of them since they're only good once I had an army
It was only available at the Pokemon Centers in Japan, in January, 2023, for a very limited time and in very limited quantity
For the curious, the old deck is archived here At this point, Eureka puts half your hand into the battlefield (Opalescence, March of the Machines, Minion Reflector, Doubling Season, Phyrexian Altar, Hanna, Ship's Navigator, Rings of Brighthearth, Vedalken Orrery, Mirror Gallery Norritt, Hana Kami, Deathknell Kami, Elder Pine of Jukai, Rootrunner, Forked-Branch Garami, Nightsoil Kami, Vine Kami, Thousand-legged Kami, Body of Jukai, Kiki-Jiki, Nature's Revolt, Karakas, Hunted Lammasu, Holistic Wisdom)
Grab your best creatures, it's time to build with Kaalia
You can only use this effect of "Hajun, the Winged Mayakashi" once per turn
One of the worlds that's forever been on the short list of possibilities is a prehistoric world