While this effect can be disrupted by Iono, it still forces the opponent to make plays that they might not want to, which is why Serperior is an interesting card for the current format
Dex Pokdex Expansions Search News Help Get Started Ponyta Cards 31 Cards Search Language Number of Cards 31 Most Recently Seen In Scarlet & Violet: Destined Rivals Market Value $313.62 Most Expensive Ponyta $147.45 Ponyta $54.68 Ponyta $18.11 Distribution by Rarity
So Shimmer works with two separate styles of player
Most Used Format Non-Meta Decks Public Decks 78 Tournament Decks 0 Total Copies 153 Avg Copies / Deck 1.96 Main Deck 95.4% 146 copies in 73 decks Extra Deck 0% 0 copies in 0 decks Side Deck 4.6% 7 copies in 6 decks Similar Cards Cards with related names, effects, or gameplay patterns
In response to this card's activation, your opponent cannot activate cards, or the effects of cards, with the same original type (Monster/Spell/Trap) as the cards sent to the GY to activate this card