This particular iteration of The Sinister Six on Beyond the Sinister Six
You can use fling effects, burn spells, and activated abilities to get there
A sentence in Gustav's profile was reversed so that instead of leaving in disgust over a knightly order's tendency to Rape, Pillage, and Burn, he was thrown out for being a participant
Since the fetch counters remain on the exiled cards, and having those is the only requirement to cast them with Haldan, the spells from Pako hang out indefinitely until youre ready to cast them, even after Pako/Haldan have been removed and recast several times
And finally, no sacrifice deck would be complete without some artifact recursion effects
Nethergoyf 1 mana Tarmogoyf in a better color, need I say more