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
Probably not--prices always taper off once a new set is released
Three damage to each opponent for three mana is not a great rate, but six damage
After the fourth trigger in a turn, Sephiroth transforms into Sephiroth, One-Winged Angel, an even deadlier version that amplifies the card draw ability
Not only is Tough Cookie a Food itself, giving it synergy with everything else on this list and beyond, but it also gives you another food on entry, and can turn your Food, or any noncreature artifacts, into 4/4s for a reasonable cost
By opposing the blue ideals of taking ones time and thinking things through, this deck pushes into pure aggro town