I found this post after I made my version and discovered a specific interaction with living weapon, and more specifically, unupgraded Fluxor. Odin was ahead of his time for the buff to make this deck play much smoother.
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This deck works like a conga line. You get your first crusader out with Fluxor, and momentum the fluxor (or later down the line if you draw it later), you reinforce crusaders, and you fly your crusaders, only for the next ones to ramp up the attack and pass momentum down the line.
And the secret sauce? Repeatable upgraded Living Weapon. Fluxor casts living weapon on itself when it acts as a creature, which moves it to the weapon slot, and heals you the amount of hp it has (6hp). When an *upgraded* Crusader endows that ability, it casts *upgraded* living weapon. This means each time a crusader goes from creature to the weapon slot, for the low low price of 1 gravity, you get a newly buffed weapon ready to be endowed by the next crusader in line, 7 hp, and 5 light quanta gained. This means once you get your first crusader endowed, you rarely have any issues affording the next one. And there is the fact that since you get refunded the full cost of the crusader, if you have 4 endowed crusaders, you can fly all 4 of them, gain 20 light quanta, gain 28 hp, and choose to replay the 3 crusaders that were bounced to hand with a net of 5 light for the cost of 4 gravity.
This means playing with or against this deck, you will constantly see crusaders sliding across the screen and changing positions. Some cards you can add for tech include gravity pull, pacify, and even miracle.
Spoiler for Extra Backstory:
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I made this deck to use the living weapon interaction between unupgraded fluxors and upgraded blue mages. I found this interaction first by accident when using blue mages vs AI, and then later found crusaders to be infinitely better. This deck absolutely SUCKS, and I don't think there is a good way to use blue mage for this interaction.