Which is the best for Tanker's Day sale?

Firebird M3 + Dictator M3 + Zeus + Lion T-A

Vulcan M3 + Mammoth M3 + Kodiak T-A + micro-upgrades

Smoky M4 + Lion T-A

Isida M4 + Viking M4 + Lion T-A

Hammer M3 + Dictator M3 + Clay + Shark T-B

Thunder M4 + Isida M4 + Kodiak T-A

Freeze M4 + Viking M4 + MU's

Firebird M3 + Titan M4 + Lion T-A