Want to play Legacy without the dual lands
When you look at the already revealed cards+what we know will be in here (eg, the Tamers X Antibody stuff they announced and stuff like the mentioned Meramon card Reina had) we can essentially say we already know what every card in here will be so reveal season wont bring up much exciting other than what Sunarizamon's evos will look like, etc, as every other spot is pretty much already accounted for
This color identity trick was seen again with Ramos, Dragon Engine, before Wizards used the one-two punch of Jodah, Archmage Eternal and Najeela, the Blade-Blossom in the summer of 2018
This is a stellar effect which can be used at instant speed, meaning counters can simply be moved to whichever creature an opponent happens to not block.
Note that all three are instant-speed and within the 5-10 mana range
For example, you might not always be able to power up Psydrive reliably