Four power is utterly huge
The second ability represented by the "partner with [name]" keyword modifies the rules for deck construction in the Commander variant and has no function outside of that variant
To determine the total cost of a spell, start with the mana cost or alternative cost you're paying (such as a flashback cost), add any cost increases (such as kicker costs), then apply any cost reductions (such as that of Urianger Augurelt's last ability)
One of my favorite precons in recent months, its Jump Scare
So although there were roughly 277K (again, this is my rough estimate) Revised Booster Boxes made, over the years that number has dwindled down as more and more got ripped open
Theres only one slot in each of these boosters for one of the new cards, and there are only 29 new cards that can be found in this set