If multiple creatures deal combat damage to you or an opponent at the same time, the appropriate ability of Strixhaven Stadium will trigger that many times
Let me know in the comments, or join the conversation over in the Draftsim Discord
Some game stores tend to jack the prices on Commander decks, at least the more popular ones in a given set
Holding priority, you remove the three counters from the Training Post to copy your next instant or sorcery spell and then go ahead and cast Twincast targeting the Opt and the copy of Twincast copying the original Twincast
For the best all-rounder thats easier to pilot and cheaper to build, Wilhelt, the Rotcleaver is the go-to pick
Right now, this seems to be more true for Lorcana than it is for other trading card games, which often have top tier decks stuffed with cards that are hard to get hold of