The last slot has all foils, including some Surge foils, and maybe even some Chocobos
He does a lot of damage if he gets to attack and should win most of the time all by himself if he can dodge removal
While Eidolon has a creature version of Pyrostatic Pillar, a powerful burn card in its own right, Cemetery Gatekeeper is like a more flexible creature version of Ankh of Mishra
Since she has flying and deathtouch, she can often keep more expensive stuff from attacking you with their big guns with flying like Consecrated Sphinx so your air force of Faeries can swing for two damage each that you made and she'll hold the fort
He can create tokens more easily than you may think at first glance: permanents need to leave your battlefield, not necessarily die, so that opens the door not solely aristocrats shenanigans (were not in the right colors for it anyway) but also effects that blink, bounce, or otherwise make our permanents dance around zones