The only problem is that Explosive Vegetation isn't an especially important effect for constructed decks
When you have 10-20 Rabbits in play, the mana this deck can generate becomes practically limitless
When a player leaves a multiplayer game, any continuous effects with durations that last until that player's next turn or until a specific point in that turn (such as the effect of being detained) will last until that turn would have begun
Shiny Pokmon last shined in the Pokmon TCG as part of the Shining Fates expansion in the Sword & Shield Series, where they were included as part of the Shiny Vault without a unique rarity
Ultimately, the situation in Standard remains the same as before: Play Design claim they will continue to watch the format as it changes throughout the rest of the year
Once used, Urza, Chief Artificer gives all of your Vehicles menace, making them even more of an issue to block