You can sideboard this one for particular spells, but I wouldnt want to start it
I have included just a few above, but wowzers are they a hit out of the park
Within Mystery Booster 2, Urza, Lord High Artificer can only be found as a foil card in the Future Sight frame
Lands can't be chosen and won't be sacrificed, even if they have any of the types referenced by Ajani, Nacatl Avenger's last ability

1 Graveyard Hate : Tranquil Frillback 5 Tutors : Huatli, Poet of Unity, Forerunner of the Empire, Savage Order, Gishath, Suns Avatar (kinda), Pantlaza, Sun-Favored (kinda) 5 Protection : Hulking Raptor (self-protection), Temple Altisaur, Carnage Tyrant (self-protection), Agonasaur Rex, Rhythm of the Wild (counterspells) 11 Card Draw : Runic Armasaur, Curious Altisaur, Ripjaw Raptor, Earthshaker Dreadmaw, Etali, Primal Storm (card advantage), Regal Behemoth, Kogla and Yidaro (1/2), Etali, Primal Conqueror (card advantage), Agonasaur Rex (1/2), Colossal Majesty, Garruks Uprising, Vaultborn Tyrant 16 Finishers/ Surprise /Alternate win conditions : Huatli, Poet of Unity, Dinosaurs on a Spaceship, Kogla and Yidaro, Etali, Primal Conqueror, Ghalta and Mavren, Rampaging Brontodon, Silverclad Ferocidons, Ghalta, Stampede Tyrant, Gishath, Suns Avatar, Triceraton Commander, Apex Altisaur, Zacama, Primal Calamity, Ghalta, Primal Hunger, Pyrohemia, Sawhorn Nemesis, Agonasaur Rex As we see from the comparative analysis, the rates per category are very good

It has a ridiculously costly ward ability and dominates any board it lands on, and its worthy of all the worldbuilding that took place around it in Duskmourn