Then I thought about going back to Giratina, but kept losing to everything (but mostly to Lost Box, and to my own terrible opening hands)
From the main sets, the Overlord and Enduring cycles both strike me as versatile cards that will see some amount of play as they provide strong recurring effects
Goad each creature target player controls
This is the list I would play moving forward (click here for an importable list): (31): 2 Archon of Emeria 4 A-Luminarch Aspirant 4 Skyclave Apparition 4 Elite Spellbinder 1 Brutal Cathar 4 Hopeful Initiate 4 Thalia, Guardian of Thraben 4 Inquisitor Captain 4 Sigardian Evangel (2): 2 The Wandering Emperor Spells (2): 2 Circle of Confinement (25): 1 Cave of the Frost Dragon 3 Eiganjo, Seat of the Empire 4 A-Faceless Haven 17 Snow-Covered Plains 2 Archon of Emeria 2 Portable Hole 2 Adeline, Resplendent Cathar 1 Brutal Cathar 4 Fleeting Spirit 2 Valorous Stance 1 Ao, the Dawn Sky 1 The Wandering Emperor If you like these articles and want them to continue, make sure to check out my Patreon page
Coveted Peacock: Great way to get rid of a pesky creature, but it's a lot better to remove it with targeted removal