They offer durable protection, preserve the value of your cards, and enhance your gaming experience
Sacrificing a creature can often come with upside, too: I had an Orah, Skyclave Hierophant deck that made incredible use of this
These can be spent on your Mastery Tree to unlock access to cards and eventuallywhen completing two adjacent parts of the treefive additional dual-color starter decks
Might as well have the rules text as the epitaph on my gravestone
Low Value, High Utility Fleshbag Marauder Solemn Simulacrum Wonder Mulldrifter Sign in Blood Cultivate Fact or Fiction Dimir Signet Golgari Signet Simic Signet Including Command Tower and Sol Ring, we have 20 cards that can be used elsewhere, tying it with Political Puppets for first place in that category
So even if that first monk dies, you can always generate another one