Even with the number being 40 damage, Land Tax wont see much play since most aura types have much better removal in the one cost slot, or even higher cost, but regardless, land tax usually isnt worth any slots in the 55.
However, in this case, Tasigur has almost no Signature Cards to provide
This makes it easier to avoid being stuck with a basic card, like Squirtle, when in need of a stage two card, like Blastoise ex, to overpower an opponent
It's really doesn't feel Mono-Red, and you are unable to unlock a very different Mono-Red build
instead, their members are mostly playing different archetypes, which may bring them more success if they can leverage their familiarity with that deck