While white has other token generators that are also sagas, particularly in current Standard, the sequence of token batches over multiple turns uniquely captures the progressive nature of the summon's animation, rather than creating them all at once
Since the name of the game is showing off the card, few people tend to care how the miscut looks on the back
Our all time favorite five-color card, though, has to be Tom Bombadil, from MTG Lord of the Rings
A lot of interesting and potent new cards all contributing to the array of reasons white is a strong archetype at the moment
As the Ability does only activate when you play it down, it does combo quite well with Scoop Up Cyclone allowing multiple uses and as a means of getting Jirachi- EX out of harms way, but with competition from other, more multi-purpose ACE SPECs, its hard to justify using it