This card lies just outside of the 2-sigma interval
Like the other Glimmer creatures in this set, Enduring Tenacity returns as an enchantment after it dies, turning into an enchantment while keeping the ability which is more valuable than its power or toughness
Senior game designer Daniel Holt explained that the decision to have each deck themed around one game allowed the team to "dive deep into the lore of each, capturing even more beloved moments from across the games storyline." When asked exactly how Wizards of the Coast came to choose the games that would be included in the crossover (I'm slightly disappointed Final Fantasy 9 didn't make the cut), Holt explained that Final Fantasy 7 and 14 were the clear picks due to their popularity, but that Final Fantasy 6 and 10 were chosen partially due to how many fans of those games were among the Wizards of the Coast team
Whether you are finding ways to make sure that mana sticks around longer, or finding a powerful instant spell to slam down, Firebend seems to be a very powerful keyword
(2021-03-19) You don't need to control the permanent entering the battlefield, only the permanent that has the triggered ability