Leovold, like many cards on the list, is just miserable to play against
Decadent Dragon and Expensive Taste work together to swiftly take advantage of an opponent's cards while remaining an aggressive threat on the battlefield
The Artifact Creature limitation also means plenty of green Creatures that normally can make use of +1/+1 counters (Pelt Collector, Kalonian Kydra etc.) will just be less useful
Delivering 276 cards in the main set, along with a variety of alternative art options and product-specific cards, there is plenty to explore
The Archenemys scheme deck is a deck of at least 20 scheme cards, with no more than two copies of any single card
It may not be Tier 1, but I wouldnt be surprised to see Sapphire/Steel remain somewhat competitive