Okay, not for Borrowed Malevolence or Blessed Alliance, but it's a sure bet it'll matter on a number of escalating cards
If multiple players shout in the same round, the one who was first wins
Check out our previous TCG guides on the most valuable cards from last Scarlet and Violet era sets here on KeenGamer: 10 Best and Most Expensive Pokmon 151 Cards | Pokmon TCG 10 Best and Most Expensive Pokmon Obsidian Flames Cards | Pokmon TCG 10 Best and Most Expensive Pokmon TCG Paldea Evolved Cards 10 Best and Most Expensive Pokmon Scarlet and Violet TCG Cards Pokmon TCG Gardevoir EX Deck Guide | How to Build and Play Gardevoir EX Table of Contents show 10 Most Expensive Pokmon TCG Paradox Rift Cards Tapu Koko ex, Alternative Art (Special Illustration Rare) Heading up the back of the pack in tenth place, we have the Tapu Koko ex Special Illustration Rare
However, back to the card at hand
The control effect won't end if it later becomes a Mutant (perhaps because of the effect of the second chapter ability)
Just in one round of turns you could have 8 copies with Brainstorm and on your turn a Phyrexian Arena, on another's activating that Consecrated Sphinx or Mind's Eye
