(Choose any number of permanents and/or players, then give each another counter of each kind already there.) Lulu's first ability only cares about creatures attacking you, not planeswalkers you control or battles you protect
To determine the total cost of a spell, start with the mana cost or alternative cost (such as a flashback cost) you're paying, add any cost increases, then apply any cost reductions
Dark Confidant is a very interesting card in the deck, but we must build the deck taking care with the costs so as not to die to it
There are lots of great preconstructed Commander decks out there already that are fun and a good way to learn the Commander format, and you can get many of them for under 40
Those fantasy and turn-based roots may have laid the groundwork for loving a game like Magic
Why does Circle of Protection: Red end up on this list while the other four do not