Not all Charizard cards are worth a fortune, but some rare versions can still fetch thousands of dollars
Tron decks naturally gravitate towards having expensive colorless cards as part of their strategy, which then requires them to ramp up mana to be able to cast them as early as possible
There are also cards like RMS Titanic that sacrifice themselves when they deal combat damage, and others like Combat Celebrant that basically always tradethis commander does some cool stuff
cards on your field, rest up to 1 of your opponent's Characters with a cost of 5 or less
This means you should carefully deploy any removal spells in your hand on appropriate targets, since you are less likely to draw more, and you really need to make sure to play around your opponent's board clears
Frankly, Im baffled that the trend has extended to include unplayable cards from sets like Mirage, Alliances, and Ice Age