Note that theres very little of value to tutor up with Primeval Titan (just Adventurer's Inn, Eden, Seat of the Sanctum, and The Gold Saucer)
I find the most consistent decks are ones that are aiming to get to the six to eight region on turns four or five
When this guy swings, you'll force the defender to mill a fat ten cards, which is pretty good in a lot of places
Ajani, Caller of the Pride Angelic Destiny Aurelia, the Warleader Bloodthirsty Conqueror Chandra, Flameshaper Darksteel Colossus Day of Judgment Demonic Pact Doubling Season Dragonmaster Outcast Finale of Revelation Herald of Eternal Dawn Kaito, Cunning Infiltrator Liliana, Dreadhorde General Llanowar Elves Lyra Dawnbringer Massacre Wurm Maze's End Muldrotha, the Gravetide Niv-Mizzet, Visionary Omniscience Primeval Bounty Progenitus Pyromancer's Goggles Quilled Greatwurm Ramos, Dragon Engine Rise of the Dark Realms Rite of the Dragoncaller Sire of Seven Deaths Sphinx of Forgotten Lore Sphinx of the Final Word Think Twice Twinflame Tyrant Valkyrie's Call Vivien Reid Vizier of the Menagerie Zimone, Paradox Sculptor
But, she's also a Bear, which should let us do some interesting things at the lower brackets