Most collectors instinctively favor standard-sized cards, as they fit seamlessly within established market norms
During your opponent's Main Phase, if this card is in your GY (Quick Effect): You can detach 1 Xyz Material from a monster on either field, and if you do, Special Summon this card, but banish it when it leaves the field
But its shown during the series that he overspends on anything he likes
This level 2 Synchro seems weird at first, but when you start using his effect on a Star Guardian to swap it out for a Wonder, drawing extra cards along the way, you can start to see how it can play a neat combo role
Burning-Tree Emissary Traditionally, the easiest way to take advantage of Burning-Tree Emissary is to play it in a go-wide aggro deck like 8 Whack, but Historic doesn't really have any Goblin Bushwhackers or Reckless Bushwhackers (although Castle Embereth is solid, and Burning-Tree Emissary could certainly work in some sort of mono-red tokens / aggro strategy)
(2018-01-19) If your tenth permanent enters the battlefield and then a permanent leaves the battlefield immediately afterwards (most likely due to the "Legend Rule" or due to being a creature with 0 toughness), you get the city's blessing before it leaves the battlefield