Y'shtola has a few things going on mechanically, and they all combine to make her a powerful Commander
While players cant damage each other directly, they can attack their opponents characters in order to slow their acquisition of lore (needed to win the game) and remove powerful effects from the field
Not only will Harvester of Misery give everything -2/-2, but it has a better stat line, has Menace, and can discard itself for two mana to remove a creature
Standard BO1 - Best Esper Cards 17 18 52 18 33 4 42 37 19 29 12 Main deck 97 cards (47 distinct) 4 1 1 1 4 1 2 4 4 2 Wedding Announcement // Wedding Festivity 1 3 3 2 1 Edgar, Charmed Groom // Edgar Markov's Coffin 1 Liesa, Forgotten Archangel 1 1 3 Jadar, Ghoulcaller of Nephalia 1 1 Graveyard Trespasser // Graveyard Glutton 2 1 1 Henrika Domnathi // Henrika, Infernal Seer 1 Kotose, the Silent Spider 1 1 Sheoldred, the Apocalypse 1 1 1 1 1 1 3 3 2 8 4 2 1 1 Eiganjo, Seat of the Empire 1 1 4 4 4 4 Mana Curve Color Breakdown
Each Rise of the Floodborn booster pack contains 12 cards: 1 foil card 2 rare, super rare, or legendary cards 3 uncommon cards 6 common cards