Despite having no restriction on how many you can include, the amount of Hares Apparent youll be able to cram into a playable list is still finite
You can keep looping powerful abilities every turn cycle without ever losing your board
White could always deal with all creatures and all lands by paying 4 mana, whether youre playing Wrath of God or this card
Archmages Charm is extremely pushed, a solid permission spell, a good way to build card advantage for hitting land drops, and a fantastic tool against Deaths Shadow, Wild Nacatl, Goblin Guide, Pyxis of Pandemonium, Champion of the Parish, Aether Vial, Delver of Secrets, Hardened Scales, Amulet of Vigor, Benthic Biomancer, Glistener Elf, Noble Hierarch, Viscera Seer, and sometimes even Hexdrinker (just to mention a few)