EARTH 4

You can discard this card to the GY; add 1 "Assault Mode Activate" from your Deck to your hand.

WATER 7

If this card is in your hand or GY: You can Tribute 2 WATER monsters; Special Summon this card. You can only use this effect of "Citadel Whale" once per turn. If this card is Special Summoned: You can Set 1 "Sea Stealth Attack" directly from your Deck. Once per turn, when your opponent activates a card or effect that targets 1 WATER monster you control (and no other cards) (Quick Effect): You can negate the activation, and if you do, destroy that card.

WATER 2

You can target 1 face-up card you control; you cannot Special Summon monsters from the Extra Deck for the rest of this turn, except Machine-Type Synchro Monsters, also, destroy that card, and if you do, Special Summon 1 "Crystron" Tuner from your Deck. You can banish this card from your Graveyard; Special Summon 1 "Crystron" monster from your hand. You can only use 1 "Crystron Prasiortle" effect per turn, and only once that turn.

WATER 3

You can target 1 face-up card you control; you cannot Special Summon monsters from the Extra Deck for the rest of this turn, except Machine-Type Synchro Monsters, also, destroy that card, and if you do, Special Summon 1 "Crystron" Tuner from your Deck. You can banish this card from your Graveyard; add 1 "Crystron" Spell/Trap Card from your Deck to your hand. You can only use 1 "Crystron Smiger" effect per turn, and only once that turn.

WATER 5

If this card is in your hand or Graveyard: You can discard 1 "Crystron" card, except "Crystron Sulfefnir"; Special Summon this card in Defense Position, then destroy 1 card you control. If this card on the field is destroyed by battle or card effect: You can Special Summon 1 "Crystron" monster from your Deck in Defense Position. You can only use each effect of "Crystron Sulfefnir" once per turn.

WATER 5

If this card is in your hand or Graveyard: You can discard 1 "Crystron" card, except "Crystron Sulfefnir"; Special Summon this card in Defense Position, then destroy 1 card you control. If this card on the field is destroyed by battle or card effect: You can Special Summon 1 "Crystron" monster from your Deck in Defense Position. You can only use each effect of "Crystron Sulfefnir" once per turn.

WATER 5

If this card is in your hand or Graveyard: You can discard 1 "Crystron" card, except "Crystron Sulfefnir"; Special Summon this card in Defense Position, then destroy 1 card you control. If this card on the field is destroyed by battle or card effect: You can Special Summon 1 "Crystron" monster from your Deck in Defense Position. You can only use each effect of "Crystron Sulfefnir" once per turn.

WATER 3

You can target 1 face-up card you control; you cannot Special Summon monsters from the Extra Deck for the rest of this turn, except Machine-Type Synchro Monsters, also, destroy that card, and if you do, Special Summon 1 "Crystron" Tuner from your Deck. You can banish this card from your Graveyard; add 1 "Crystron" monster from your Deck to your hand, except "Crystron Thystvern". You can only use 1 "Crystron Thystvern" effect per turn, and only once that turn.

WATER 3

You can target 1 face-up card you control; you cannot Special Summon monsters from the Extra Deck for the rest of this turn, except Machine-Type Synchro Monsters, also, destroy that card, and if you do, Special Summon 1 "Crystron" Tuner from your Deck. You can banish this card from your Graveyard; add 1 "Crystron" monster from your Deck to your hand, except "Crystron Thystvern". You can only use 1 "Crystron Thystvern" effect per turn, and only once that turn.

WATER 3

You can target 1 face-up card you control; you cannot Special Summon monsters from the Extra Deck for the rest of this turn, except Machine-Type Synchro Monsters, also, destroy that card, and if you do, Special Summon 1 "Crystron" Tuner from your Deck. You can banish this card from your Graveyard; add 1 "Crystron" monster from your Deck to your hand, except "Crystron Thystvern". You can only use 1 "Crystron Thystvern" effect per turn, and only once that turn.

DARK 10

This card cannot be Normal Summoned or Set. This card cannot be Special Summoned except with "Assault Mode Activate". If this card attacks, destroy all other monsters after damage calculation. When this card on the field is destroyed, you can Special Summon 1 "Red Dragon Archfiend" from your Graveyard.

EARTH 3

When this card is Normal or Special Summoned: You can send 1 Machine monster from your Deck to the GY. Once per turn: You can shuffle 2 Level 4 EARTH Machine monsters from your GY into the Deck; draw 1 card.

EARTH 3

When this card is Normal or Special Summoned: You can send 1 Machine monster from your Deck to the GY. Once per turn: You can shuffle 2 Level 4 EARTH Machine monsters from your GY into the Deck; draw 1 card.

EARTH 3

When this card is Normal or Special Summoned: You can send 1 Machine monster from your Deck to the GY. Once per turn: You can shuffle 2 Level 4 EARTH Machine monsters from your GY into the Deck; draw 1 card.

WATER 2

During your opponent's Main Phase or Battle Phase: You can target 1 non-Tuner monster in your Graveyard; Special Summon it, but it has its effects negated (if any), and if you do, immediately after this effect resolves, Synchro Summon 1 Machine-Type Synchro Monster using only that monster and this card (this is a Quick Effect). These Synchro Materials are banished instead of being sent to the Graveyard. You can only use this effect of "Crystron Citree" once per turn.

WATER 1

During your opponent's Main Phase or Battle Phase: You can Special Summon 1 non-Tuner monster from your hand, but it has its effects negated (if any), and if you do, immediately after this effect resolves, Synchro Summon 1 Machine-Type Synchro Monster using only that monster and this card (this is a Quick Effect). You can only use this effect of "Crystron Quan" once per turn.

WATER 3

During your opponent's Main Phase or Battle Phase: You can target 1 of your banished non-Tuner monsters; Special Summon it, but it has its effects negated (if any), and if you do, immediately after this effect resolves, Synchro Summon 1 Machine-Type Synchro Monster using only that monster and this card (this is a Quick Effect). These Synchro Materials are shuffled into the Deck instead of being sent to the Graveyard. You can only use this effect of "Crystron Rion" once per turn.

DARK 1

If this card is Normal or Special Summoned: You can add 1 "Assault Mode Activate", or 1 card that specifically lists "Assault Mode Activate" in its text, from your Deck to your hand, except "Psi-Reflector". You can reveal 1 "Assault Mode Activate" in your hand, then target 1 monster in your GY that specifically lists "Assault Mode Activate" in its text, except "Psi-Reflector"; Special Summon it, and if you do, increase its Level by 1 to 4. You can only use each effect of "Psi-Reflector" once per turn.

DARK 1

If this card is Normal or Special Summoned: You can add 1 "Assault Mode Activate", or 1 card that specifically lists "Assault Mode Activate" in its text, from your Deck to your hand, except "Psi-Reflector". You can reveal 1 "Assault Mode Activate" in your hand, then target 1 monster in your GY that specifically lists "Assault Mode Activate" in its text, except "Psi-Reflector"; Special Summon it, and if you do, increase its Level by 1 to 4. You can only use each effect of "Psi-Reflector" once per turn.

DARK 1

If this card is Normal or Special Summoned: You can add 1 "Assault Mode Activate", or 1 card that specifically lists "Assault Mode Activate" in its text, from your Deck to your hand, except "Psi-Reflector". You can reveal 1 "Assault Mode Activate" in your hand, then target 1 monster in your GY that specifically lists "Assault Mode Activate" in its text, except "Psi-Reflector"; Special Summon it, and if you do, increase its Level by 1 to 4. You can only use each effect of "Psi-Reflector" once per turn.

Trap Normal

Tribute 1 Synchro Monster; Special Summon 1 "/Assault Mode" monster, whose name includes the Tributed monster's name, from your Deck in Attack Position.

Trap Normal

Special Summon 2 "Crystron" Tuners (1 from your hand and 1 from your Graveyard). During either player's turn, except the turn this card was sent to the Graveyard: You can banish this card from your Graveyard, then target 1 "Crystron" monster you control; send 1 "Crystron" monster from your Deck to the Graveyard whose Level is different from that monster, and if you do, that monster becomes the Level of that monster sent to the Graveyard. You can only use this effect of "Crystron Entry" once per turn.

Trap Normal

Target 1 of your banished "Crystron" monsters; Special Summon it, and if you do, if your opponent controls any face-up monsters, change their DEF to 0. During either player's turn, except the turn this card was sent to the Graveyard, when a card or effect is activated that targets a "Crystron" monster you control: You can banish this card from your Graveyard; negate that effect.

Trap Continuous

Activate this card by targeting 1 Effect Monster on the field; negate the effects of that face-up monster while it is on the field, also that face-up monster cannot attack. When it is destroyed, destroy this card.

Trap Continuous

Activate this card by targeting 1 Effect Monster on the field; negate the effects of that face-up monster while it is on the field, also that face-up monster cannot attack. When it is destroyed, destroy this card.

Trap Continuous

Activate this card by targeting 1 Effect Monster on the field; negate the effects of that face-up monster while it is on the field, also that face-up monster cannot attack. When it is destroyed, destroy this card.

Trap Normal

Discard 1 card, then target 1 face-up monster your opponent controls; banish that target, then banish all cards with the same name as that monster from your opponent's Graveyard.

Trap Normal

Discard 1 card, then target 1 face-up monster your opponent controls; banish that target, then banish all cards with the same name as that monster from your opponent's Graveyard.

Trap Normal

Discard 1 card, then target 1 face-up monster your opponent controls; banish that target, then banish all cards with the same name as that monster from your opponent's Graveyard.

Trap Continuous

When this card is activated: You can activate 1 "Umi" from your hand or GY. While "Umi" is on the field, this face-up card gains these effects. ● Once per turn: You can banish 1 WATER monster you control until the End Phase; this turn, face-up Spells/Traps you control cannot be destroyed by your opponent's card effects (even if this card leaves the field). ● At the start of the Damage Step, if your WATER monster whose original Level is 5 or higher battles an opponent's monster: Destroy that opponent's monster.