So, while you struggle to simply cast spells, that one opponent will quickly pull away with the game if left unchecked
You need to be heavy into white/lifegain to leverage this white enchantment properly, but its a bundle of fun
If you have much spot removal or ways to protect the Titan he is a little better but really he doesn't need improving, he is plenty over powered as it is
Commander, a mostly-casual and multiplayer format, seems to be Magic's solution to the Spikes with killer decks will kill the fun problem, and also the one format where personal expression shines the most
While the second mode is rarely worth using, for three life is hardly worth one additional mana, it's still nice to have the possibility for it to become a board-wide protection spell if you needed it