Mana is an obvious hurdle for any five-color deck, and having access to another rainbow land alongside Cavern and Plaza of Heroes is a big deal
While Im not wholly convinced a mono-black deck has access to that many helpful food effects, there are ways to take advantage of having some extra artifact tokens that youre able to make for free each turn
I love seeing this look at Anna as a child, and a reminder of Elsas appearance at the beginning of Frozen , even though we have seen these characters grow and go on many epic journeys since
Torgal, A Fine Hound on two curves into Town Crier plus Rydia, or a splashed Ignis Scientia, or Vanille or just selling out for Reach the Horizon to untap with six mana on turn four
In Tempest, it was turn one (Mogg Fanatics, shadow creatures, and flyers), Invasion turn two (2/2 bears for every possible color combination plus several one- and two-mana apprentices and utility creatures), and Mirage turn three