Because of how many commanders there are in the precons and main set, I've split my fun ranking for the set into two parts
Keep in mind it is your opponent who decides where the creature goes This has almost reasonable stats, and reducing the costs of spells has some extra weight in this format thanks to Adventures, in addition to the fact that it just plays well in any Blue/Red deck
Cards that can do this include Archfiend of Despair, Solhpim, Mayhem Dominus, and Bloodletter of Aclazotz
The Walls of Ba Sing Se Speaking of high mana cost, colorless permanents that work well in a wide range of different decks, meet The Walls of Ba Sing Se, and yes they are tall, aren't they
Are There Any White Cards That Allow Me to Draw Cards When My Creatures Die
Granted, Fabled Hero needs a lot of support from your deck in order to gain counters and really shine