Beledros Witherbloom Chevill, Bane of Monsters Cleopatra, Exiled Pharaoh Crime // Punishment Deadbridge Chant Dina, Essence Brewer Fiend Artisan Garruk, Apex Predator Garruk, Cursed Huntsman Garruk, the Veil-Cursed Glissa, the Traitor Gorma, the Gullet Grim Flayer Grist, the Hunger Tide Grist, the Plague Swarm Gyome, Master Chef Harness Infinity Hazel of the Rootbloom Ikra Shidiqi, the Usurper Jarad, Golgari Lich Lord Lathril, Blade of the Elves Lord of Extinction Mazirek, Kraul Death Priest Meren of Clan Nel Toth Michonne, Ruthless Survivor Nissa of Shadowed Boughs Pernicious Deed Pharika, God of Affliction Polukranos, Unchained Professor Dellian Fel Rendmaw, Creaking Nest Reyhan, Last of the Abzan The Coming of Galactus The Gitrog Monster The Gitrog, Ravenous Ride The Last Ronin The Mycotyrant The Odd Acorn Gang Tyvar the Bellicose Underrealm Lich Urgent Necropsy Vraska the Unseen Vraska, Golgari Queen Vraska, Regal Gorgon Vraska, Relic Seeker Vraska, the Silencer Willowdusk, Essence Seer Winter, Cynical Opportunist Witherbloom, the Balancer Ygra, Eater of All

Collector Booster Pack: 15 cards with 1 double-sided token
A lot of artifact strategies rely on cheap artifacts to get rolling, so playing Meltdown for 2 mana and wiping out multiple cards on an opposing player's board is very reasonable, sometimes bordering on game-winning
So in the flavor of this card, that Is what Nikya is talking about because the Gruul is about to march into the mainland of Ravnica
I thought about that too and Im definitely not just coming up with it as I type this