Remember - unlike tournament play, the KC Cup rewards quick, consistent victories, so control decks are automatically at a disadvantage when compared to aggressive decks with similar winrates
First, he can get rid of some of the most problematic keywords in Magic for just one mana
I played her a bit, but mainly used her artifact side, which can really wear an enemy down depending on how much you are willing to use it
GR Gold Rare Imperial Tombs of Necrovalley X TRAP Counter When a Spell/Trap Card, or monster effect, is activated, while both a "Gravekeeper's" monster and "Necrovalley" are on the field: Negate the activation, and if you do, destroy it
This deck is very capable of trading with most SP decks
King Darien XLVIII While King Darien XLVIII buffs your entire board with a global +1/+1, it also has a trick up its sleeve