There are almost no ways to get your commander out of the command zone without casting it, which makes playing Haakon, Stromgald Scourge kinda hard
The five life is often well worth the blanking and new direction for a spell
Watcher of the Spheres is a flying 2/2 for one White and one Blue mana that not only gets bigger for the turn whenever a flying creature enters the battlefield under your control, but also makes your creatures with flying cost one less mana to cast
Aside from looking as cool as the fight in XVI does, this sorcery lets you manipulate the amount of lore counters on a Saga card under your control: the card archetype that represents Final Fantasy s various summon creatures across the games in the set to reflect their status as powerful, but limited-time forces in battle
For six mana, Muldrotha does quite a bit where during each of your turns, you may play a land card and cast a permanent spell of each permanent type from your graveyard meaning you can really leverage your graveyard to accumulate a ton of value during games, perhaps with an Overlord of the Balemurk on the battlefield for good measure