The Ocean Master's Giant Mouth

== Gallery ==
BSC21-BS20-072.jpg|BSC21
Category:BS20
Category:Cost 4
Category:Cost reduction 2
Category:Negate effect
Category:Can't attack
Category:Nexus
Category:HKSP3
Category:Send core to Trash
Category:BSC21
Category:Opposing Attack Step
Category:Either Attack Step
Category:Blue
Category:Uncommon