Character (Price to Unlock) - Which Koffin

Cyrax (3003 Platinum Koins) - CN
Drahmin (6500 Sapphire Koins) - UR
Frost (208 Ruby Koins) - IV
Hsu Hao (3317 Jade Koins) - MW
Jax (3780 Ruby Koins) - SA
Kitana (2931 Sapphire) - KI
Nitara (4022 Gold Koins) - TI
Raiden (3116 Jade Koins) - XG
Reptile (3822 Gold Koins) - LL