The mechanic is great for some combos, and its a fun one, because everyone likes free stuff
Mass land destruction also crops up less frequently, too, which helps to foster an environment where ramp isnt punished and, if anything, it thrives
Dark Confidant One of the most infamous wizards, Dark Confidant gives you extra cards each upkeep by revealing the top of your library, though it costs you life equal to the mana value
While you can utilize EtB effects and effectively invalidate hexproof, the points arise that 'you have to hold up 5 mana' and 'you can't steal it if you draw it later.' Since the strength of a control-stealing effect is being able to respond to an opponent's bomb after the fact, it is honestly quite tough
Thankfully, just like the Commander options, dinosaurs dont disappoint in this regard