Do read through the Lorcana Cards Layout Explained section to understand the different components of the cards (and the extra features that come with Character Cards), after that, pop back here and youll find the outline of the differences below
Other planeswalkers have an ability that increases their counters, but Teferi only has a 0, a -2, and a -12
5 Scourglass A one-sided board wipe that almost always works in your favor, Scourglass is a unique artifact that decimates the battlefield if not answered by your next turn
Thats quite significant, and shows that Cardhoarder is definitely a worse fit if you intend to rent extremely expensive cards
Evasion is something that merfolk do really well, so combat damage triggers are another great payoff for merfolk decks
Brian Schneider, the head developer during Future Sight (not to be confused with the set's lead developer, which was Mike Turian) came up with the idea of having a cycle of slivers that each granted a new keyword to its fellow slivers