Opinion: pre-errata Lurrus is the most powerful value engine or even straight up card printed [recently] | tcgmode

Context: "pre-errata" means the original rule for the way Companions worked before they received functional errata. Originally you were able to cast your Companion once per game for its mana cost, straight from outside of the game / your Sideboard (see rule: 702.139a). Lurrus is currently banned ...