You have plenty of ways to build your decks, with them taking a ramp approach, big bad creatures, or through combat tricks
You pay all costs and follow all timing rules for cards played with the permission granted by Banon's first ability
After the rise in Commander's popularity, competitive players started leveraging the Enchantment as a way to draw extra cards in the early game, while opponents deployed all their mana rocks and ramping spells
Many of them are from the Fallout precon, such as Craig Boone, Novac Guard, which is also an underrated commander, Duchess, Wayward Tavernkeep, Overseer of Vault 76, Sierra, Nukas Biggest Fan and ED-E, Lonesome Eyebot
That might be what breaks this card in counters decks, even with all of the other versions of this effect available
For a popular Commander and Legendary Creature, that is a bit surprising