While we could go for 6 Swamps, 14 Islands, and 16 Mountains and call it a day, we can do a lot better
Even for just the discover 5 every turn, this kinda rocks
Wizards of the Coast and Square-Enix confirmed several characters being featured as part of the collaboration, including Lightning, Sephiroth, and Kefka among others
In addition to this, Wizards of the Coast didnt want to take the risk of the banning of Smugglers Copter not being enough to weaken Azorius Flash, and with Felidar Guardians release looming too there was a hesitance to let Reflector Mage be legal alongside it
Notably, this is not in addition to its other types, meaning that it can be quite effective at denying an opponent access to specific colors of mana that they might need
As a Legendary card, this could be a useful addition to a control deck