There are so many legendary creatures in the Final Fantasy set
#3: Horizon Lands Horizon Canopy is one of the best lands in Humans in its pre- Modern Horizons form, as it gives you a mana source that doubles as card draw when youre looking for more gas later in the game
I also think there is a good spread of strategies here
They clock a 0/3 body, have power equal to your artifact count to win fast with Commander damage, have first strike and vigilance innately, and then partner to combine into other colors or leaders, like Silas Renn, Seeker Adept or stay in color but power up with Ardenn, Intrepid Archeologist
And the legendary God is also making another appearance in the March of the Machine set
To keep this in theme and to ensure that the effects aren't used until the late game, all the megacycling costs require eight mana including three different colors