The power to pay three mana for a second combat phase is good even if you need to jump through hoops to make it work
Primeval Titan's ability to search up any land, not just basic lands, from your library and place them directly onto the battlefield allows it to find powerful land effects like Hanweir Battlements, Sunhome, Fortress of the Legion, and Valakut, the Molten Pinnacle
Lore-wise, this set feels a lot like Ursulas Return, and just like Ursulas set, theres an Illumineers Trove in this set
it forces your opponent to either redraw all of their important creatures, or relegate them to the bottom of the library
This rule is a major shift from what players are encouraged to do in the mainline video games
If you don't control an Army, create a 0/0 black Orc Army creature token first.) Creature - Rogue Orc Color tag templates(None) Oliphaunt Trample Whenever this creature attacks, another target creature you control gets +2/+0 and gains trample until end of turn