All of the effects are ones that can do some surprisingly heavy listing, and at the worst it's still ramp
Valefor is integral to Yuna's abilities as a young Summoner and is the first Summon Yuna has access to, so of course we needed to see them together
Jump Scare isn't as flashy as the Endless Punishment deck led by Valgavoth, which was the most sought after commander from the Duskmourn set
Whenever that creature deals combat damage to you one of the above effects happens
Creature theft effects and bounce effects make it so that running a card as suboptimal as Fowl Play shouldnt be necessary even if it has an occasional nice interaction, like turning an Elesh Norn or Griselbrand into a Chicken where stealing/bouncing it may have caused you to lose
Ascend, from the Amonkhet block, granted "city's blessing" once you controlled ten or more permanents of any type