Booster draft Limited focuses primarily on board states, so creatures and the ability to remove them are both at a premium
Other prominent mechanics that incorporate (or freely enable) sacrifice include: Food, Clues, Treasures, Sagas, Unearth, Encore, Evoke, any other temporary tokens such as Faerie Artisans or Hostility, cards with Upkeep, Quests, Exploit, Casualty and now Bargain
Crawling Barrens is a flexible, multipurpose card that may just allow you to claw (or crawl) your way back into a game
Learning - It will happen some time that all 4 copies of the card you need are in the bottom 15 of a deck, larger decks can help simulate this and help a person learn how to come at problems in other ways when their deck doesn't cooperate
Coastal Discovery Coastal Discovery may not be the flashiest or most impactful card-draw spell in Commander, but awakening a 6-mana 4/4 that draws two cards makes this a respectable blue sorcery at casual Commander tables
Swap these between multiple creatures during your turn to give your entire team haste
