Theres space in the back for extra lands, or other shared resources
I'm going to pull back a bit and talk about why the core sets are returning and how they're going to be similar and different from core sets of old
For example, think of Kenriths Transformation as purely a removal spell, with a bonus of being able to draw a card
Similar to the other Forces from the MH1 cycle it can be cast without tapping any mana, making it automatically very interesting in the fast Modern environment
Card not found couldnt target the opponent, but could let you get rid of some 1/1 you had (for whatever reason) and get two cards for your trouble
Here are their numbers in EDHREC.com for registered Commander decks: Sun Titan - 40082, 21% of all decks, the most played Mono-White creature Grave Titan - 15485, 7% of all decks Inferno Titan - 8475, 4% all decks Frost Titan - 2343, 1% of all decks Primeval Titan - So good It was banned in Commander