Mine Thrower GM(Without ducks, more burst):
http://i.imgur.com/ZlXJTDy.png
(5s Ice resist tower)

Accessories
Necklace: BDN/Wind/Full Moon
Earrings: Cannon Tower (skill break)
Ring: Mine Thrower (skill break)
Ring: BDN/Destruction/Full Moon

Optional tech accessories:
Ring: Chain Saw Tower
Ring: Big Mecha Bomber
Ring: Replicatron

Plate:
Chain Saw Tower CD
Transisational Damage CD
Mine Thrower DMG

Choose:
Big Mecha Bomber DMG
Mecha bomber CD

[Not recommended for Ice Gear Masters]
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Mine Thrower GM v2 (Lv11 MT for Ice resist opens option for 3 set BDN bonus)
http://i.imgur.com/XPJlLSr.png
(10s Ice resist tower)

Accessories:
Necklace: BDN/Wind/Full Moon
Earrings: Cannon Tower (skill break)
Ring: BDN/Destruction/Full Moon
Ring: BDN/Destruction/Full Moon
(3 pieces to get full set bonus from BDN set)

Optional tech accessories:
Ring: Chain Saw Tower
Ring: Big Mecha Bomber
Ring: Replicatron

Plate:
Chain Saw Tower CD
Transisational Damage CD
Mine Thrower DMG

Choose:
Big Mecha Bomber DMG
Mecha bomber CD
Frosty Tower CD: If Ice GM
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Duck Master(More utility and option for Ice GM):
http://i.imgur.com/RVsHLEm.png
(10s Ice resist tower)

Accessories:
Necklace: BDN/Wind/Full Moon
Earrings: Cannon Tower (skill break)
Ring: BDN/Destruction/Full Moon
Ring: BDN/Destruction/Full Moon
(3 pieces to get full set bonus from BDN set)

Optional tech accessories:
Ring: Chain Saw Tower
Ring: Big Mecha Bomber
Ring: Replicatron

Plate:
Chain Saw Tower CD
Transisational Damage CD

Choose:
Big Mecha Bomber DMG
Mecha bomber CD
Frosty Tower CD: If Ice GM
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Shooting Star:
http://i.imgur.com/ZaGQmJc.png

Necklace: BDN/Wind
Earrings: BDN/Wind
Ring: Mine Thrower (skill break)
Ring: BDN/Destruction
(3 pieces to get full set bonus from BDN set)

Optional tech accessories:
Earring: Ping pong (optional)
Ring: Splash (optional)

Plate:
Splash DMG
Mine Thrower DMG
Transisational Damage CD
Ping Pong DMG

[No Ice Shooting Star, if you want to go Ice go as Ice GM, shooting star have to high setup time]