The reason I am not saying this is because the Sower has much better synergies with other cards in many of the decks you want it in
The card does cost eight mana to play and is reserved for the late end game, but when this flying, vigilant, indestructible 8/8 Angel hits the battlefield, your opponent is in some serious trouble
3 Red-Green Gruul Combining the ability to make Treasures in red and cast large creatures in green, gruul Commander decks that use Treasures are meant to get big stuff out early

Creatures (13) Elvish Reclaimer x4 Emrakul, the Aeons Torn Endurance Kozilek, the Great Distortion Outland Liberator Primeval Titan x3 Ramunap Excavator Ulamog, the Ceaseless Hunger Instants (8) Crop Rotation x4 Once Upon a Time x4 Sorceries (4) Artifacts (8) Expedition Map x4 Pithing Needle x4 Lands (27) Bojuka Bog Boseiju, Who Endures Cavern of Souls Cloudpost x4 Dark Depths Eye of Ugin Forest x4 Glacial Chasm Glimmerpost x4 Karakas Maze of Ith Thespian's Stage x2 Vesuva x2 Windswept Heath Yavimaya, Cradle of Growth x2 Sideboard (15) Carpet of Flowers x4 Collector Ouphe Dismember x2 Endurance x3 Force of Vigor x4 Walking Ballista You can even use these lands in EDH with plenty of ways to tutor them, like Crop Rotation and Sylvan Scrying, alongside ways to copy them like Vesuva, Thespian's Stage, and Orvar, the All-Form
Deep Analysis Deep Analysis always gets cut from my normal decks, although that flashback looks tempting
The same is true of any other actions that opponent is instructed to do