Wear lots of hats
Until end of turn, your life total cant change, and permanents you control gain hexproof and indestructible
What are your opponents playing

Agrus Kos, Eternal Soldier Alandra, Sky Dreamer Ardoz, Cobbler of War Ashcoat of the Shadow Swarm Auntie Blyte, Bad Influence Balan, Wandering Knight Barrin, Tolarian Archmage Captain Lannery Storm Danitha Capashen, Paragon Emiel the Blessed Gadrak, the Crown-Scourge Goreclaw, Terror of Qal Sisma Ib Halfheart, Goblin Tactician Isamaru, Hound of Konda Isu the Abominable Kari Zev, Skyship Raider Kenessos, Priest of Thassa Kibo, Uktabi Prince Kiki-Jiki, Mirror Breaker Kothophed, Soul Hoarder Krenko, Mob Boss Kwende, Pride of Femeref Lathliss, Dragon Queen Lita, Mechanical Engineer Lyra Dawnbringer Michiko Konda, Truth Seeker Mizzix, Replica Rider Muxus, Goblin Grandee Preston, the Vanisher Rhonas the Indomitable Rodolf Duskbringer Runadi, Behemoth Caller Seizan, Perverter of Truth Svyelun of Sea and Sky Syr Alin, the Lion's Claw Syr Elenora, the Discerning Syr Konrad, the Grim Taranika, Akroan Veteran Tivash, Gloom Summoner Vendilion Clique Vito, Thorn of the Dusk Rose Yargle, Glutton of Urborg Yidaro, Wandering Monster Zask, Skittering Swarmlord

For instance, every player has their own idea of when they want to spend money or what a healthy play pattern is, and those may differ from where the MTG Arena team has landed
Nihil Spellbomb was immediately popular at the time of its release for its ability to be a quick-shot full one-sided exile like Crypt but giving you the option to draw a card if you're willing to pay a little extra