Shark Deck Breakdown

WATER 4

You can target 1 WATER monster you control; Special Summon from your Deck in Defense Position, 1 Fish monster with the same Level as that monster, but with a different name, and if you do, it cannot activate its effects this turn, also, you cannot Special Summon monsters from the Extra Deck for the rest of this turn, except Xyz Monsters. You can only use this effect of "Buzzsaw Shark" once per turn. If this card is used for the Xyz Summon of a WATER monster, it can be treated as a Level 3 or 5 monster.

WATER 4

You can target 1 WATER monster you control; Special Summon from your Deck in Defense Position, 1 Fish monster with the same Level as that monster, but with a different name, and if you do, it cannot activate its effects this turn, also, you cannot Special Summon monsters from the Extra Deck for the rest of this turn, except Xyz Monsters. You can only use this effect of "Buzzsaw Shark" once per turn. If this card is used for the Xyz Summon of a WATER monster, it can be treated as a Level 3 or 5 monster.

WATER 4

You can target 1 WATER monster you control; Special Summon from your Deck in Defense Position, 1 Fish monster with the same Level as that monster, but with a different name, and if you do, it cannot activate its effects this turn, also, you cannot Special Summon monsters from the Extra Deck for the rest of this turn, except Xyz Monsters. You can only use this effect of "Buzzsaw Shark" once per turn. If this card is used for the Xyz Summon of a WATER monster, it can be treated as a Level 3 or 5 monster.

WATER 3

If this card is Special Summoned from the GY: This card's Level becomes 4. You can only use each of the following effects of "Left-Hand Shark" once per turn. If you control "Right-Hand Shark", and this card is in your hand or GY: You can Special Summon this card, but banish it when it leaves the field. An Xyz Monster that was Summoned using only WATER monsters as material, including this card on the field, gains this effect. ● This card cannot be destroyed by card effects.

WATER 3

If this card is Special Summoned from the GY: This card's Level becomes 4. You can only use each of the following effects of "Left-Hand Shark" once per turn. If you control "Right-Hand Shark", and this card is in your hand or GY: You can Special Summon this card, but banish it when it leaves the field. An Xyz Monster that was Summoned using only WATER monsters as material, including this card on the field, gains this effect. ● This card cannot be destroyed by card effects.

WATER 3

If this card is Special Summoned from the GY: This card's Level becomes 4. You can only use each of the following effects of "Left-Hand Shark" once per turn. If you control "Right-Hand Shark", and this card is in your hand or GY: You can Special Summon this card, but banish it when it leaves the field. An Xyz Monster that was Summoned using only WATER monsters as material, including this card on the field, gains this effect. ● This card cannot be destroyed by card effects.

WATER 4

When this card is Normal Summoned: You can add 1 "Left-Hand Shark" from your Deck to your hand. If this card is in your GY and you control no monsters: You can Special Summon this card, but banish it when it leaves the field. An Xyz Monster that was Summoned using only WATER monsters as material, including this card on the field, gains this effect. ● This card cannot be destroyed by battle. You can only use each effect of "Right-Hand Shark" once per turn.

WATER 4

When this card is Normal Summoned: You can add 1 "Left-Hand Shark" from your Deck to your hand. If this card is in your GY and you control no monsters: You can Special Summon this card, but banish it when it leaves the field. An Xyz Monster that was Summoned using only WATER monsters as material, including this card on the field, gains this effect. ● This card cannot be destroyed by battle. You can only use each effect of "Right-Hand Shark" once per turn.

Spell Quick

Change all face-up monsters on the field to face-down Defense Position. During the End Phase of this turn, change as many face-down Defense Position monsters your opponent controls as possible to face-up Defense Position, then your opponent draws cards equal to the number of monsters changed face-up by this effect.

Spell Quick

Change all face-up monsters on the field to face-down Defense Position. During the End Phase of this turn, change as many face-down Defense Position monsters your opponent controls as possible to face-up Defense Position, then your opponent draws cards equal to the number of monsters changed face-up by this effect.

Spell Quick

Change all face-up monsters on the field to face-down Defense Position. During the End Phase of this turn, change as many face-down Defense Position monsters your opponent controls as possible to face-up Defense Position, then your opponent draws cards equal to the number of monsters changed face-up by this effect.

Spell Quick

Target 1 face-up monster on the field; until the end of this turn, that target gains 400 ATK, but its effects are negated.

Spell Quick

Target 1 face-up monster on the field; until the end of this turn, that target gains 400 ATK, but its effects are negated.

Spell Quick

Target 1 Spell/Trap on the field; destroy that target.

Spell Quick

Target 1 Spell/Trap on the field; destroy that target.

Spell Quick

Target 1 Spell/Trap on the field; destroy that target.

Trap Normal

When there are 4 or more monsters on the field: Destroy all face-up monsters.

Trap Normal

When there are 4 or more monsters on the field: Destroy all face-up monsters.

Trap Continuous

Negate all DARK monster effects activated on the field or in the Graveyard.

Trap Normal

When your opponent Special Summons a monster(s) from the hand or Extra Deck: Shuffle that monster(s) into the Deck, then you lose 1000 LP for each returned monster.

FIRE

2 monsters with different names If this card is Link Summoned: You can discard 1 card, then target 1 Spell/Trap your opponent controls; destroy it, then, if this card was co-linked when this effect was activated, you can draw 1 card. You can only use this effect of "Knightmare Phoenix" once per turn. Co-linked monsters you control cannot be destroyed by battle.

WATER

2 Level 4 monsters While this card has a material attached that was originally WATER, all WATER monsters you control gain 500 ATK. Once per turn (Quick Effect): You can detach 1 material from this card; your opponent cannot activate any card effects in their GY this turn.

WATER

2 Level 4 WATER monsters Once per turn: You can detach 1 material from this card; Special Summon 1 Rank 3 or lower WATER Xyz Monster from your Extra Deck. This card cannot attack for the rest of this turn.

WIND

2 Level 4 monsters You can detach 1 material from this card, then target 1 face-up monster on the field; change it to face-down Defense Position. You can detach 2 materials from this card, then target 1 other face-up card on the field; shuffle it into the Deck. You can only use 1 "Castel, the Skyblaster Musketeer" effect per turn, and only once that turn.

EARTH

2 Level 4 monsters Once per turn: You can detach 1 Xyz Material from this card, then target 1 Beast, Beast-Warrior, or Winged Beast-Type monster you control and 1 other card on the field; destroy them.

EARTH

2 Level 5 monsters Once per turn, you can also Xyz Summon "Drill Driver Vespenato" by using 1 Rank 4 Xyz Monster you control as material. (Transfer its materials to this card.) This card cannot be used as material for an Xyz Summon the turn it was Xyz Summoned. If this card attacks a Defense Position monster, inflict piercing battle damage. If this Xyz Summoned card in its owner's control is destroyed by an opponent's card: You can target 1 Level 5 or lower monster in your GY; Special Summon it. You can only use this effect of "Drill Driver Vespenato" once per turn.

WATER

3 Level 4 monsters Once per turn, you can also Xyz Summon "Full Armored Utopic Ray Lancer" by discarding 1 Spell/Trap and using 1 Rank 4 or lower Xyz Monster you control. (Transfer its materials to this card.) Monsters your opponent controls lose 500 ATK. At the start of the Battle Phase: You can negate the effects of all Attack Position monsters your opponent currently controls. When this attacking card destroys an opponent's monster by battle: You can detach 1 material from this card; it can make a second attack in a row.

EARTH

2 Level 4 monsters This card is unaffected by Trap effects while it has Xyz Material. "Traptrix" monsters you control, except "Traptrix Rafflesia", cannot be destroyed by battle or card effects. Your opponent cannot target "Traptrix" monsters you control, except "Traptrix Rafflesia", with card effects. Once per turn, during either player's turn: You can detach 1 Xyz Material from this card and send 1 "Hole" Normal Trap Card that meets its activation conditions from your Deck to the Graveyard; this effect becomes that Trap Card's effect when that card is activated.

WATER

3 Level 3 monsters Banish any monster destroyed by battle with this card. Once per turn, during either player's turn: You can detach 1 Xyz Material from this card, then target 1 face-up monster on the field; it loses 800 ATK, also its effects are negated. These changes last until the end of this turn.