Naked Singularity [Ice Age]

Cumulative upkeep {3} (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)
If tapped for mana, Plains produces {R}, Islands produces {G}, Swamps produces {W}, Mountains produces {U}, and Forests produces {B} instead of any other type.