It doesn't say "when you cast" or "non-token", just ETB
Mountain Smasher, meanwhile, has no hard limit on the number of coins that can be flipped beyond the number of Fighting Energy cards attached, making it a potentially devastating attack that also strips away the opponents deck
His fight is very fun, and his lore is essentially that unlike other Primals that are stationary, Odin wanders around, and also has only one follower at a time: a person seduced by the power of the sword Zantetsuken, who carries it around (and thus, Odin) from place to place
Its decidedly lower in power than either of the decks before it, but can still pack a reasonable punch and has some hilarious lines of play
The best-case scenario razes the battlefield, the worst-case is just trading one-for-one with a discard spell or countermagic
It worked best to stop yourself from losing