Of course, if you can get your Broken Time-Space in play before your opponent, you will be able to use Poison Structure all game (unless you are playing against Flygon, in which case it may be unwise to play your stadium down)
Pendulum Monster: Your opponent chooses 1 monster they control and gives control of it to you, but it cannot attack this turn
Master Duel is Konami's version of Magic: The Gathering Arena
You will always need at least one left over to make your commander worth it, but in all likelihood, the amount of cards we're talking about drawing off of things like EarthquakeEarthquake means that one spell will be enough, provided Niv-Mizzet isn't removed in response
Which database tracks Magic: The Gathering cards
equip that target to an appropriate monster you control for that Union monster's effect