I know that the dark ichor of Phyrexia courses through my veins, and that I'm looking forward to the rapture of cracking packs untainted by any of this Mirran nonsense, but I would urge you to pick whatever plan works for you and run with it
There are, however, some notable double strike and power doubling reprints in Foundations as well
By contrast, the Phyrexians have infiltrated red and white to a small degree
Since the connive trigger goes on the stack, theres no problem if a creature doesnt see the when this connives ability
In focused Commander strategies, this Cauldron can do a lot of damage, but it also has some potential constructed interest thanks to Yawgmoth combo in Modern
At 4, you can start to see stuff with a 4-power throwdown