Yes, Staff of Compleation is a key card in 1 combo(s) in our combo database, linked from the Combos section of this page.
It does not, for example, change when you may activate abilities that can be activated "only as a sorcery." The last ability cares only about the amount of mana that was actually spent to cast the spell, regardless of its mana cost
If in possession of a raw copy, there is strong financial demand
As you can see, both pay life, which is easier to do in a 40-life format than in the 20-life one that this pair was designed for
You can only use each of the following effects of "Infinitrack Earth Slicer" once per turn
with drytron, VW and a lot of rogue triying to do some stuff in the gy, this is just all round solid as well, very rarely comes up dead but if it does, just side out