The Sapphire/Steel deck accelerates resources to cheat out big characters early, the Emerald/Ruby deck had lots of character removal and ways to steal Lore from the opponent, and the Amber/Amethyst deck had lots of card draw and could pull off many tricks and combos
Despite her dress having all the same pops of yellow and blue, the forest setting behind her is dull and dark, with what bit of light there is shining through hitting the Princess instead of anything else
Its fun, it causes interesting interactions, and some effects even play well with the increased use of negative counters like finality and stun counters
Rampaging Baloths Another classic, I like Rampaging Baloths more than Avenger of Zendikar (though truth be told, I normally run both) because it has a higher floor
And, while it'll most likely produce an absurd quantity of cards drawn, it's worth considering to what extent we'll be able to use all of those cards, if our resources have to be invested in defending this Leviathan from continuous removal attempts