While not mandatory to play Disney Lorcana game, the mats not only help protect your deck but are elegant and attractive that its hard to picture a match without them
Using cards like Entomb or even Final Parting makes assembling Eldrazi-Angel-Exodia pretty easy in Commander, and there arent that many ways to stop it, especially given it stops a Cyclonic Rift (because the spells mana value is still two, even when overloaded)
Pokemon TCG Pocket also acknowledges the genre's huge social component
Its a cool card to play in decks that use proliferation, counters, and even tokens, considering that sometimes just placing a +1/+1 counter on everybody is worth a card
Bosk Banneret is also a good blocker in the early game
New products like Blooming Waters are being snatched up on speculation and sold for inflated prices online