Did you notice a key phrase that is absent from Celestial Kirins text
Really quick and easy service
By the next day, I was killing on turn three and the deck survived the loss of several other cards prior to a Pro Tour that was dominated by a combination of Grim Monolith and Tolarian Academy
Plus, you may get a fun story of a more powerful card coming in off a Chaos Warp, so there is a bit of randomness thrown in for good measure
You get a recently beefy flying blocker to handle incoming retaliation-based attacks too
While increases in mana cost are associated with worse win rates for common and uncommon cards, for rare and mythic rare cards, a mana cost one higher increases the expected win rate when seen by 0.65% and 0.55%, respectively, with an approximate error of \(\pm\) 0.3%.