The Giant Ocean Sword Detector

== Gallery ==
BS30-070 BSC41.png|BSC41 Version (Block 10) 
Category:Cost reduction 2
Category:Negate effect
Category:Exhaust own nexus
Category:Reveal cards from deck
Category:Add cards
Category:Either Attack Step
Category:0 cores at level 1
Category:1 core at level 2
Category:Tsuda Numato
Category:Prevent effect activation
Category:Add to hand
Category:Return own cards to bottom deck