You want Titans to gain card advantage when you make them and you want the game to get quickly out of control when you get a few swings out of your Titan and Frosty here does neither of these things very well
There are some powerful reanimation style commanders that have since come out but Karador still holds his own because of his ability to subtract his rather high casting cost of 8 for 1 mana for each creature in the graveyard
Ocelot Pride + Guide of Souls Maybe a little weird to lump these two together, but Guide of Souls and Ocelot Pride show up in the same decks at an alarming rate
Kiora, Behemoth Beckoner: At 7 loyalty, youll almost always get to untap a land for several turns, which can enable some explosive plays with lands that tap for multiple mana
Surge for a riskier deck that is a lot of fun to play with, and themed around fan-favourite 'mon, Pikachu
But the real fun happens at the end of the turnif you removed a card from your graveyard, Gau deals damage equal to its own power to every opponent