You get an early game blocker which can absorb non-trampling hits while ramping your resources, just like his predecessor Sakura-Tribe Elder
III Ecliptic Growl Draw a card if you control the creature with the greatest power or tied for the greatest power
Rosewater said Assembled Ensemble has been designated so because it mechanically references the artworks of other cards, while Killer Cosplay has been made illegal because its ability was too difficult to balance for competitive play
White-black bats benefit from both gaining and, counterintuitively, losing life
If we stopped there, I would have picked something else (probably Scepter of Eternal Glory)
Spirit tokens generated by Kykar or through other effects are especially useful, as they can be turned into red mana to fuel more spells for token generation or more powerful finishing moves