Its clear that Gyarados is surging in popularity and value
Limited Editions & Promos: Cards from events or limited promotions are particularly rare
Pokemon TCG Live will continue to exist, of course, but I'm surprised the virtual bonuses November's sets include won't be linked to the new game that'll be here by the time they arrive
Decks that combine together enemy MTG colors get none of that coherence or dedicated strategy - but they have the benefit that one color's strengths can cover the other's weaknesses
Yes, it lets you search out a basic land every time you attack (which is twice every turn for Karlach), but it also removes lands from your deck, making it more likely to draw cards that will have a greater impact on the game later on
There are a couple of tricky decks with 99 lands and a commander like Child of Alara, but that's another story