It can become a large creature if surrounded by more discard, and protection from white is handy, but it's more novel than good
The Bad Setzer, Wandering Gambler cares about Vehicles and coin flips which is completely unsupported in this deck
Being a rotating format, the best creatures rarely stick around for an extended period of time
You see, if you cast a spell that sets up an effect that happens "at end of turn" once you've past the start of the end-of-turn step, you can keep the results of that spell around until the next end-of-turn step
Importantly, though, Zidane Tribal will be getting its own mechanically unique card in the Final Fantasy main set, so no need to fret there
Legends tell how the tarrasque slumbers in its secret lair beneath the earth, remaining in a dormant state for decades or centuries