Created and popularized by fans, Commander is a casual format in which each player's deck is led by that player's commander traditionally a legendary creature, although this release introduces four planeswalker cards that can also be a deck's commander
There are many good late-game threats and Linvala might be put on the back-burner, but she does provide a powerful effect
There's a lot you can do with Shifting Woodland in a deck built to achieve delirium, though word of advice: Don't try to copy a planeswalker with this
With a good sea creature commander in Runo Stromkirk and typal support from cards like Serpent of Yawning Depths, the Leviathan has better synergy within its typal home than River Bear
Combine it with cards like Arcane Adaptation (which changes the type of every creature you control to another of your choosing), and you can easily start locking players out of the game
Despite these design hiccups, there is a lot of value in the set since fluctuation impacted accessibility due to the pandemic