While each V-UNION Pokemon has a wide arrange of attacks and abilities to make use of, and a ridiculously large amount of HP, they come with one significant drawback: once a V-UNION Pokemon faints, you lose three of your prize cards , just like with a VMAX card
You can get more value with Kotose, the Silent Spider as your Commander if you have blink effects so you can continually bring this Dimir commander back to the battlefield and exile a new card from an opponents graveyard
Think of a format as a game mode in MTG all MTG formats share an overlapping set of rules, but each format has its own intricacies
Time Magic Hammer Time Magic Hammer is the very first Extra Deck Monster to appear in one of these weirdest cards articles for Yu-Gi-Oh (and spoiler alert, it isn't the last one)
You can use them to build new decks, power up old decks, etc
In the relatively near future