When it resolves, Sundering Titan's controller must choose one land for each basic land type (Plains, Island, Swamp, Mountain, and Forest), and then they are destroyed simultaneously
(As a side note, I have been including it a lot in my pre-alpha, core-only constructed deck crafting.) Banishment Rating Situationally Desirable In draft I would rather play threatening champions on my turn than removal (preferably both in 1 card like Sea Titan)
Many token commanders generate tokens repeatedly or convert routine game actions into tokens, helping the engine refill after each board wipe
However, everytime you cast an artifact spell, you lose 1 life and gain a 2/2 black Necron token
Id rather have Ramunap Ruins than Immersturm Skullcairn, for example