Tiny Drogenites

Flying
Cumulative upkeep {u} (At the beginning of your upkeep, if Tiny Drogenites is on the battlefield, put an age counter on Tiny Drogenites. Then you may pay {u} for each age counter on it. If you don't, sacrifice it.)
Whenever an age counter is put on Tiny Drogenites create a copy of Tiny Drogenites.