Whats so great about Kangaskhan ex in this set, is that it comes with two different card arts
Dungeons can be accessed when a card has the phrase Venture into the dungeon on it, and has you journeying through different iconic D&D dungeons: Tomb of Annihilation, Dungeon of the Mad Mage and the Lost Mine of Phandelver
So far my kids havent draw those at all, focusing exclusively on the characters, but it is something they could do to branch out over time
There are probably a good number of players that want to try out essentially having Blightsteel Colossus in the command zone with Etali, Primal Sickness
Each deck set includes 1 ready-to-play deck of 100 Magic cards (2 Traditional Foil Legendary cards, 98 nonfoil cards), a 2-card Collector Booster Sample Pack (contains 2 special treatment cards, with 1 Traditional Foil Common or Uncommon and 1 nonfoil or Traditional Foil Rare or Mythic Rare), 1 foil-etched Display Commander (a thick cardstock copy of the commander card with foil etched into the cards border and art), 10 double-sided tokens, 1 Helper card, 1 deck box (can hold 100 sleeved cards), 1 Life Wheel, 1 strategy insert, and 1 reference card.
Starting off as just a mono-green creature back in Zendikar, Omnath would slowly collect more and more colors with subsequent printings, though black was the final color