If I may be so rude, starting from your pad I came up with the following.

poly mode on
swave saw

4 page pattern trig the following chords on step one of each page (just to give the sound some context)

c -3
+04 E -3
+09 A-3

c -3
+04 E -3
+07 G-3

c -3
+05 F -3
+09 A-3

d -3
+04 F -3
+09 A-3

unil 127
uniw 40
unix 99

subx 0
sub1 100
sub2 0
tune 0

atk 60
hold 75
dec 52
rel 0

dist 1
vol100
pan -21
port 0

base 34
wdth 55
hpq 0
lpq 25

atk 32
dec 93
bofs -29
wofs -37

EoF 105

Eog-35

SRR 0

DTIM 4

DSND 31

DFB 0

DBAS 0

DWID 127

LFO 1

PAGE PTCH

DEST 2/12

TRIG FREE

WAVE ITRI

MULT 2X

SPD 100

INTL 0

DPTH 16

Slightly adjusting WOFS gives nice variations so an obvious choice for step modulating.