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Theres a bunch of other cards with similar synergy ones that let you mill cards into the graveyard and then return them, with the effect buffing Kotis by two +1/+1 each turn

There were so many good multicolored cards, it didnt even make sense to pick a Top 3

If a card in your hand has in its mana cost, X is 0 for the purpose of determining its mana value

You can use this free mana source to cast Fatal Push with revolt or to improvise out a cheap Metallic Rebuke

Dakkon Blackblade, the closest that this set has to a 'main character' that got any kind of tie-in fiction, is a reasonably cool knight with a pretty elaborate shield and a badass sword, which, I believe, is cursed in some way