The ability will have varying levels of effectiveness depending on your choice and your collection
Plumb the Forbidden - instant-speed draw engine off your army
If you are lucky enough to start out in a casual group that had a whole range of control, midrange, aggro, and combo decks to learn from, then that's a great start
The combination of abilities is very solid since they have removal, token making, and creature buffing in the arsenal, allowing you to stabilize a board and win from there
While a good mana curve is always important in limited, Commander Legends Sealed will also make you want to skew your deck to have more late-game plays and mana sinks as games tend to go longer than a normal game of Sealed
Even in Commander, this is still a card we want