This works because state-based actions are not checked until the spell has resolved, and so there is no opportunity for the owner of the commander that was destroyed to then send that commander back to the Command Zone their first opportunity to do so is after the spell resolves
Well apparently, that's the result of an odd pan from the word Sandwich , as the Japanese name of this card is Sanwitch (ain't no D there) and sand=rock so here we are
In this deck, Mewtwo EX is a monster and theres a very good reason why it is currently ruling the competitive scene
Sadly, her personal cards were never printed in real life
Typal decks are even more popular there, and wide boardstates are easier to achieve
Here are some that I find useful for reducing the complexity of my decision space, allowing me to play faster