In the mainline games, Marshtomp gains significance due to its role in the progression from Mudkip to Swampert, offering players a tangible sense of growth and development
Its not that decks cant produce enough tokens to pay for this, but why tap eight tokens for a 5/5 that cantrips when you could use them on Transcendent Message or March of the Multitudes
time travel lets you skip the wait, Slow down vanishing permanents, so you don't have to sacrifice them when they run out of time counters (although in some cases the vanishing card has a good trigger when it leaves the battlefield, so you may want to speed it up)
Hazels second ability is entirely dependant on having tokens out, and more importantly, Squirrel tokens, but she can quickly both give you an army and as much mana as you could want
Raffine is so great to skate