Companions did not take up a slot of the 99, thus it would have been an auto-include in any deck that would have been able to run it, though this was spotted by Wizards before the release of Ikoria and hence received a day 0 ban
Theres a Necromantic Selection for a creature board wipe, and a Casualties of War for destroying creatures, artifacts, enchantments, lands, and planeswalkers
You can even find this artifact with Urza's Saga, if you werent terrified enough
Its an exciting way to hunt for rare cards without having to store stacks of bulk commons, combining the best of both the virtual and physical collecting worlds
Win Condition And Flaws The primary win condition of the deck is winning through combat
Exploration, Summer Bloom, and their ilk can turn a Loam into a pile of additional lands extremely quickly, while you can at low cube-inclusion costs include all sorts of payoffs for playing lands that allow you to generate value above and beyond the mana the lands produce