Submarineroid (UTR) [POTD-EN008] Ultimate Rare 17 you can Special Summon this

you can Special Summon this card from your hand and end the Battle Phase

during damage calculation in either player's turn

when a Spell/Trap Card is activated: You can negate the activation

After that

Spell and Trap Cards cannot be activated in response to this effect's activation

Submarineroid (UTR) [POTD-EN008] Ultimate Rare 17 you can Special Summon thisSet: Power of the Duelist Card type: Effect Monster Rarity: Ultimate Rare Attack: 800 Defense: 1800 This card can attack your opponent directly. When it does, any Battle Damage this card inflicts to your opponent becomes the original ATK of this card. You can change this card to Defense Position at the end of the Damage Step.