Urza Assembles the Titans

A planeswalker cheat-and-double-activation engine folded into one Saga, and the sequencing is the whole design problem. Read across the top and it runs the natural order: dig for a walker with a four-deep scry, drop a walker of mana value six or less a turn ahead of curve, then double up loyalty activations before the sacrifice. But read ahead changes what the card is. Starting on chapter III turns it into a one-shot enabler for a walker already in play, letting you fire an ultimate the turn it would otherwise be a click away. Starting on II skips the dig entirely and cheats a body straight down, useful when your hand is already stocked. The chapter that does the least on its own, the free double-activation, is the one that pays off a board you already built rather than one this card assembles. That gap between the flavor march (dig, deploy, unleash) and the optimal line (pick the chapter your hand and board actually need) is what separates a durdle from a payoff. The mana-value-six ceiling is the restriction that keeps chapter II honest: it lets in most midrange walkers while walling off the biggest finishers, so the card accelerates a plan rather than skipping to the end of one.