Ideally youd like to pass this between yourself and another player, but I could see games where your opponents just play keep away with your commander for much of the game while drawing a bunch of extra cards, which seems like a pretty big downside that you could mitigate to some degree with cards like Homeward Path and Sword of Hearth and Home
The versatility of being able to pick and choose which effects to prolong and for how long makes Grand Marshal Macie an interesting and powerful commander
They can even take a legendary creature and turn it from being an OK or mid-range commander into a top tier, high powered commander
Artifacts Want to drop this early, then use it for many repeatable tutors to potentially win the game right there, or to grab synergetic elements to overrun the game
Legendary Knight - Only in Beta Archibald Laspales - Archibald Laspales - Cr?ature: Chevalier l?gendaire - Creature
Cards like You Are Already Dead and Lethal Scheme really pop here, and just a few hits of cards like Necrologia can really get the engine going