mtg showcase cards legal All - Assassin's Creed Variants Revealed you may search your library for a basic land card Enlightened Tutor (showcase)

Then theres Strionic Resonator

Casting the Rogue again gives you two more Thopter tokens that you can immediately tap to make Brago unblockable, allowing him to flicker the rogue for two more Thopters

Im trying to remain objective here, but Saskia the Unyielding has such a good aim in trying to make low-to-the-ground aggro viable in the 40-life Commander format, and shes got a penchant for leading off the Wall-themed decks, especially the various creature themes, be it Human, Phyrexian, Angel, or Werewolf

If youre uncertain, reach out to the broader MTG community for help

Since Thrasios has partner, you have a lot of different options for how to build around it