I'll just c/p you a few comments I made about Parfait (I've been playing it for a while now). If things seem out of context, sorry.
-----------------------------------------#1
Hey, I'm glad you liked the report.
You're right, the wish isn't an instant, which is a big reason why I am doubting it.
Mask DID turn up in a few matchups, probably because I was playing Sligh 3 times, and Academy once

It's a matchup thing.
I'll give you a copy of my current list, which is still in some sort of testing mode:
//NAME: Parfait.nl
// T1 Parfait
// Rudy van Soest
// Mana Sources
1 Strip Mine
4 Wasteland
1 Mox Pearl
1 Mox Diamond
1 Lotus Petal
1 Serra's Sanctum
1 Sol Ring
13 Plains
// i 0wn j00 combo
3 Scroll Rack
4 Land Tax
// Silver Bullets
1 Wrath of God
1 Karmic Justice
1 Story Circle
1 Golden Wish
1 Balance
3 Aura of Silence
2 Humility
// control-hate
4 Argivian Find
1 Jester's Cap
1 Tormod's Crypt
4 Abeyance
// aggro-hate
2 Zuran Orb
3 Swords to Plowshares
// theKILL
2 Sacred Mesa
// Utility
2 Replenish
1 Soldevi Digger
1 Enlightened Tutor
// Wishable SB
SB: 1 Story Circle
SB: 1 Words of Worship
SB: 1 Pariah
SB: 1 Chimeric Staff
SB: 1 Seal of Cleansing
SB: 1 Ivory Mask
SB: 1 Moat
SB: 1 Tormod's Crypt
// Non-Wishable SB
SB: 1 Replenish
SB: 1 Swords to Plowshares
SB: 1 Planar Birth
SB: 4 Orim's Chant
A few other cards I also want to test :
Scrying Glass
Phyrexian Processor
Note how this list is especially control-tuned, which if you expect a lot of aggro, or even 50/50 aggro vs control in the field, you should change a few slots around.
I mainly wished for the Mask, or the Crypt.
this doesn't mean I am missing the mask maindeck, since usually, the wishing was just to add Misery to my opponents side, since sligh has trouble with a humility / story circle lock already
I would consider adding a 2nd story circle earlier then putting the mask back in.
I'll write up a report after the 5th of januari, when we go to Castricum again.
----------------------------------------#2
now, for the real posting reason, as a response to lambosa.
Golden Wish - This lame-ass sorcery is just a way for me to work the Mask or 2nd Crypt in game 1, since I always side out the Wish. It occasionally fetches the 2nd story circle.
I myself have lately been doubting to keep this in, but still, I found myself during my turn, not having anything usefull to annoy my opponent with, and would wish for a next turn threath (I've been trying out 1 Mobilisation in the SB lately, and no more Moats). I know I liked the Wish during the last Castricum tournament, since it proved it's worth in the Academy matchup, and I had to play sligh 3 times, where I stalled long enough to wish for the mask and lock them even more. I'll get back to this issue after the next tournament...
5 strips/no bloodmoon : I wouldn't consider blood moon if my life depended on it. I'm too attached to my foil US plains

But really, 5 strips is really nice to play around with against keeper, to give you significant startup advantage, and also, you can trick the little less experienced player into playing a 2nd land when you have a land tax out, and then destroy your own wasteland by saccing it, targetting itself, or however it works

- Really, I've been very happy not having to splash for blood moon.
Chant/Abeyance: Probably a style-choice, but I like abeyance's ability to replace itself against combo and control, but I have to admit I never used Chant maindeck, not even in testing.
After sideboarding, against tubbies, I'd consider changing them, or against combo, the 4 chants come in alongside the abeyance.
Against keeper, they probably come in. (pending the combo-element present in keeper). If you have no clue, expect the combo-element there
Keg over Wrath is a definate no-no. You won't hurt Keeper by destroying a few moxen, and also, you don't need it to destroy Morphling.
Against aggro, which obv. will not counter Wrath, can probably get rid of a pesky artifact or 2, like powder keg is for them.
Wrath of God has my preference since, in a way, it resets the board for you to take control again. Keg also is non-usefull against Tubbies, while Wrath can be decent enough.
Keg against Academy is obviously very good, but just to play it for that reason, is also another no-no. How much academy decks that actually play it well do you ever see ?
I see about 1, maybe 2. I see a lot more keeper and Tubbie/Aggro decks where Wrath is definately worth it.
I'm not sure if I can fit a keg in the side, since I doubt I would ever side it in (I keep humilitys and the like in against keeper and blue-control).
about your board:
Blood moon : yuck, said before.
3 (!!!) Crypts: heh, 1 maindeck ,and 1 side is ENOUGH. Even when you can't wish for it, 3 is overdoing the hate against yawgmoth's win.
Abolish ? hmm, I sorta like Auras and Seals, since I can Wish for it, and they have more synergy with replenish then abolish does.
about your sideboard strategy, against control or combo, I take out swords and wrath, wish and maybe another random bullet, and add Plenish, in general crypt, but not against everything, and chants.
About my own list : Chimeric Staff will not be a stayer, I'm surely taking it out.
I am most likely replacing Zorbs with Claws of Gix, with one more in the sideboard, to side in against keeper. <3 keeper h8.
Also, you can *yawn* Wish for claws easily
Still all my wishing mentioning in this sideboard is too much heh, since I'm probably not going to play Wish anyway in the next tournament. (I will mark the card though that i put in for Wish, just to see if I missed it.)
Basicly, playtesting with Wish doesn't give me a clear enough answer to play it...
Pariah and Moat are most likely also leaving, although I'm still 50/50 on the Moat. It doesn't work well with Humility, but against Aggro, it is usually just as good, and probably even better (with the exclusion of Tubbies, with their damned wonder).
Words of Worship is also a subject of change, but it has been usefull against Turbonevyn, but the problem is, for it to be effective, you HAVE to have the tax+rack engine in play, or you will be stuck either drawing the game, or decking your opponent in 60 turns (assuming no twister

), probably not a good thing to do. The reason I first tried it though, was to keep myself from getting decked.
I do believe though the Words is good mirror-tech

About mirror tech : Illumination anyone ? - gotta love mirage crap cards.
Anyway, this is all I am awake for to type up at the moment,
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The report mentioned is located
Here!I hope this helps, feel free to bug me on IRC or here if you have any questions or comments,since I'm trying to improve the deck and my playing skills with it almost everyday!