Digging deeper, there are a lot of cool commanders to helm more niche decks if that's your speed
Some players have tried to use pack weight to predict the contents, but this method is generally unreliable due to the minor weight variations between different cards
At you tutor for any card, essentially put it into your hand, plus get a supersized version of Sign in Blood
Deluge their weenies away and then edict the big threat they follow up with for example
This means that players can use Lucky, The 15th Puppy to continue grabbing those cheap puppy cards into their hands, ready to be played
(If you cast this spell for its blitz cost, it gains haste and When this creature dies, draw a card. Sacrifice it at the beginning of the next end step.) You may cast this card from your graveyard using its blitz ability