I have been trying to decide on the best Yuriko deck, as it creates some odd build requirements. You want a deck full of weenies as well as one full of the most expensive cards possible.
On that note I am experimenting with the aftermath cards, which are actually playable and provide CMCs as high as 11.
The two playable aftermath cards are commit/memory and rags//riches, each providing good effects and a high cmc. The only other aftermath card that comes close to playable is never//return, which I don't think is good enough.
Yuriko is simply the most efficient beater ever printed. It is either a 2 mana creature with haste or 3 mana without, thst deals an average of 10 damage a hit on a four person board and draws a card. If you hit an aftermath card it can easily deal 34 damage on turn 3 (or turn 2 with a more weenie, less midrange deck.)
Because it hits all players you simply hit whoever doesn't habe a blocker, with space cleared by executioner/fleshbag marauder and commit. With memory and riches it even has decent endgame cards.
Looking at the deck requirements I decided not to run dorks and ninjas, Yuriko is as well or better served in a goodstuff deck as a weenie deck.
If full broken budget is allowed, the obvious changes are to replace Wight with Bitterblossom, and fellwar stone with Deathrite Shaman and a legacy landbase.