This might just be because it's difficult to build a cascade-themed deck, especially without some of the expensive big-hitters like Rashmi, Eternities Crafter and Maelstrom Wanderer (which were likely too new and too expensive for Commander 2016 ), but the end result is a deck that is vaguely cascade-ish but not a good cascade deck by any stretch
If your only cunning opponent controls Runed Halo with Gifts Ungiven chosen for it, or controls Leyline of Sanctity and/or similar cards, you cannot cast Gifts Ungiven, since you cannot target your opponent with that spell, and you may not target yourself
Trainer Supporter Each player plays with his or her Prize cards face up for the rest of the game
Sepulchral Primordial does it on entering the battlefield
You just dont realize how powerful Veyrans effect is until you start exploding with it
More dual ink cards come into Lorcana with Set 8, Reign of Jafar, and also more cuddly creatures