strixhaven mtg commander deck Magic: The Gathering – Prismari Performance (Blue-Red) : Toys & Games an epic Secrets of Strixhaven Commander Precons:

This card already copies itself thanks to the storm keyword , and so long as you've chained a few cantrips together beforehand, Elemental Eruption will give you an army of 4/4 flying Dragon Elementals that get bigger with every non-creature spell cast

Talking about the errata, Ravensburger said that it is not something we take lightly or want to do too often, and that it is to preserve a fun environment for the game

The Lost Caverns of Ixalan: Most expensive cards #1: Cavern of Souls (Borderless) An incredible mana-fixer for typal decks running multiple colors

It doesn't apply to abilities with other timing restrictions like "Activate only during your turn" or to other effects that might restrict when you could activate abilities