You probably need like 3 in your deck to feel good about it, but when you get there, this will be a nice card for you
The only difference between the minimal packaging and retail versions for Commander (2021 Edition) is that the insert tray holding the deck box does not offer punch-out counters and a divideryou'll still receive everything else (the deck and deck box, plus life wheel, display commander, and double-sided tokens)
It also means using Cascade can trigger other abilities that activate when a spell is cast
Protection from everything will usually prevent damage if it would be dealt to you, but some damage can't be prevented
Undermine Which would you like first, the insult, or the injury? What makes a flavor text memorable
If you make sure to have a mana up and a Clue in play, hes pretty close to invulnerable