Chronicle of Victory is screaming to be included in elf decks with their great mana ramp, vampires with their combat advantages like deathouch and flying, as well as shapeshifters who can always benefit from typal effects
Secondly, the same kind of permanent will get put onto the battlefield, so you get a bit more room for speculation: If you target an artifact, chances might be high that he gets a random mana rock in return
The Odyssey filter lands do not require colored mana, but lack the mana options provided by their Shadowmoor counterparts
However, there are many spells which cripple or destroy enchantments
Recalling though, that we will probably always have easy access to our Commander means we'll take advantage of it enough that it seems worth it
Then you can +1 him to make your dork unblockable and then also draw and discard