Sevinne, the Chronoclasm and Elsha of the Infinite make the best use of these abilities
Enchantment Tutor (CTRL to add secondary) Culled Chimil, the Inner Sun Spells you control can't be countered
Inti's effect to discard for a +1/+1 counter on an attacking creature triggers off of any attack, not just its own
(2025-06-06) Auras attached to the exiled permanent will be put into their owners' graveyards
Griselbrand [c]Griselbrand[/c] is one of the most powerful creatures in Magics history, but its steep mana cost limits the number of decks it can go into
While this will mostly be relevant in casual play, it's worth pointing out that if you have a Naban, Dean of Iteration on the battlefield, every Wizard that enters the battlefield will trigger Warstorm Surge, Fathom Mage, Angelic Chorus, and Purphoros, God of the Forge (among others) an additional time, which opens up an entirely different layer of deck-building potential that was missing with Panharmonicon, which only triggered abilities on artifacts and creatures