But there are a few things we want to call out before that
Its a pretty good way to either give yourself more Creatures, or simply get rid of problematic Enchantments and Artifacts
Using Passimian ex as a sacrificial, chip-damaging energy farm is a risky tactic, but with Brock in the deck too, it basically guarantees the ability to instantly set up a Golem and sweep through the rest of your opponents team
It's possible a previous owner replaced the battery : Because these games are out of production, there is a chance that you may be purchasing a copy from someone who replaced the battery (which is ok if it was done correctly)
This always gives you a lander, but doing 2 to the whole board is a challenging effect to make one-sided in Limited
Ojer Axonil's deck also uses spells like Grapshot, End the Festivities, and Tectonic Hazard to keep dealing damage if the deck's damage-based permanents are neutralized.