The silver banner on this Maui card marks him as a Steel ink character, one of Lorcanas six color-coded card types, which each focus on different strategies
At the beginning of your end step, if eight or more cards are in your graveyard, transform this enchantment
Of course, good will alone wont win you the game, so Font of Mythos will only be a good fit in decks that know what to do with the extra cards they draw (or how to punish foes for being flooded with cards)
When the evoke elementals were spoiled in Modern Horizons 2, people waxed lyrical about how broken Grief with Ephemerate was going to be, but in practice that interaction did not make any material impact on the format, and instead its been more commonly combined with Fury and Solitude in the Four-Colour Yorion, Sky Nomad decks
Rielle decks often focus on card draw payoffs and making the commander into a massive threatit doesnt take much for Rielle to threaten large amounts of damage, especially with access to tricks like Violent Urge and Temur Battle Rage
You get the tactical play and strategic deckbuilding of the card game with art and effects that really evoke the mysteries of Middle-earth