Expel the Interlopers is also a sweeper made for decks whose creatures have less power than toughness
While these cards would maintain the blue, black, and green colors and provide a decent escalating threat, they don't quite fit Grand Larceny's theme when used as commanders
Disney Lorcanas fifth set, Shimmering Skies , had a celebratory tone and aesthetic, as the inhabitants of the games universe rejoiced in the defeat of Ursula (you can take part in the battle against Ursula yourself, either alone or with friends, in the Illumineers Quest: Deep Trouble set)
With Wizards of Thay, this is especially useful, as that means it can lower the cost of your instant and sorcery spells by a whopping four colorless mana
Not only is it hard to kill, growing quickly and hitting first, but its secondary ability is also very strong