Bloomburrow lizards want you to deal damage to your opponent, and Gev not only does that each time you cast a lizard, but it buffs your creatures with +1/+1 counters for doing so
It ensures your card is shielded from bends, dings, and moisture during its journey, which is key to getting that positive feedback you're looking for
Whether it makes waves in build-around shells like mine, UB Tezzeret decks, or somewhere else, I believe we'll be seeing the newest mana-cheat mechanic in Modern.
You also get three booster packs from the special Scarlet & VioletPrismatic Evolutions expansion, just waiting to be opened and added to your collection
Meanwhile, in Modern, it seems like most of the top-tier decks in the format use their graveyard to some extent