You could add a third reason, which is to test a synergy you want to play, but can't afford to invest hundreds of dollars into without testing it
They don't need to be 5-color commanders, those have their own list but plenty show up here too
What is the rarity of this Stakataka card
When you do, choose a nonland card name, then target player reveals their hand and discards all cards with that name
As for seeing ward across the table, you know there are hoops to jump through to get rid of something, but at least there's a chance
Im surprised to see it cost the opponent life rather than the player, but given its a five drop I have to imagine were combining card draw with a punishment for a board wipe, which is contemporary Magic design at the fullest