Saturn V

Flying. When Saturn V dies, you may pay {r}. If you do, create a 4/3 red token artifact creature named "Stage 2/3/4" with flying, and "when Stage 2/3/4 dies, you may pay {r}. If you do, create a 2/2 red token artifact creature named "Stage 3/4" with flying, and "when Stage 3/4 dies, you may pay {r}. If you do, create a 1/1 red token artifact creature named "stage 4" with flying."