pokemon gym trainer booster box TCG: Challenge 1st Edition Pack (Giovannni) Surge and Erika and become a Gym Hero yourself Pokemon Scarlet & Violet Destined

Any card abilities which happen when a player pays a cost to use them (activated abilities) or automatically when specific conditions are met (triggered abilities) must also pass through the stack and can be responded to the same way (though you would need a card that says target ability to interact with one)

Besides that, the Machine God's Effigy card, present in the Mishra's Burnished Banner deck is quite powerful, as it can be shown in the Mateus Nogueira's Article

As mechanically-unique Secret Lair cards go, its one of the most interesting weve seen

With that all being said, here are my top choices

Table of Contents show What Are Merfolk Commanders in MTG