Machine / Effect

If the only cards your opponent controls are face-up monsters with 1600 or more ATK, this card can attack your opponent directly.

Machine / Effect

Before damage calculation, if this card attacks a Defense Position monster: Destroy that monster.

Warrior / Synchro / Effect

1 Warrior-Type Tuner + 1 or more non-Tuner Warrior-Type monsters

This card cannot be destroyed by battle when attacked by a monster with higher ATK. After damage calculation, if this card was attacked by a monster with higher ATK: Destroy the opponent's monster it battled.

You can activate this card when 1 or more of your Trap Cards are destroyed and sent from the field to the Graveyard by a card effect your opponent controls. Destroy 1 Spell or Trap Card on the field.

Spellcaster / Effect

If a card(s) is added from the Main Deck to your opponent's hand, except during the Draw Phase (Quick Effect): You can send this card from your hand to the GY; for the rest of this turn, cards cannot be added from either player's Main Deck to the hand.

Winged Beast / Normal

This monster stuns its enemies with a massive beak and ear-piercing wails.

Reptile / Normal

A blood-sucking snake in human form that attacks any living being that passes nearby.

When your opponent draws for their normal draw in their Draw Phase: Your opponent discards 1 card they just drew.

When an opponent's monster declares a direct attack: Shuffle all your opponent's Attack Position monsters into the Deck.

Machine / Effect

Cannot be Normal Summoned/Set. Must be Special Summoned with the effect of a "Drytron" card. You can Tribute 1 other "Drytron" monster, or 1 Ritual Monster, from your hand or field; Special Summon this card from your hand or GY in Defense Position, then you can add 1 Ritual Monster from your Deck to your hand. You cannot Special Summon monsters, except monsters that cannot be Normal Summoned/Set, the turn you activate this effect. You can only use this effect of "Drytron Alpha Thuban" once per turn.

During the Main Phase: Target 1 "Drytron" monster or 1 Ritual Monster you control, and 1 face-up monster your opponent controls; your monster loses exactly 1000 ATK until the end of your opponent's turn, and if it does, destroy that opponent's monster. You can only activate 1 "Drytron Asterism" per turn.

Machine / Effect

Cannot be Normal Summoned/Set. Must be Special Summoned with the effect of a "Drytron" card. You can Tribute 1 other "Drytron" monster, or 1 Ritual Monster, from your hand or field; Special Summon this card from your hand or GY in Defense Position, then you can return 1 of your banished "Drytron" monsters to the GY. You cannot Special Summon monsters, except monsters that cannot be Normal Summoned/Set, the turn you activate this effect. You can only use this effect of "Drytron Beta Rastaban" once per turn.

Machine / Effect

Cannot be Normal Summoned/Set. Must be Special Summoned with the effect of a "Drytron" card. You can Tribute 1 other "Drytron" monster, or 1 Ritual Monster, from your hand or field; Special Summon this card from your hand or GY in Defense Position, then you can reveal 1 Ritual Monster or 1 Ritual Spell in your hand, and if you do, draw 1 card. You cannot Special Summon monsters, except monsters that cannot be Normal Summoned/Set, the turn you activate this effect. You can only use this effect of "Drytron Delta Altais" once per turn.

Target 1 "Drytron" monster in your GY; add it to your hand. During your Main Phase, except the turn this card was sent to the GY: You can banish this card from your GY, then target 1 "Drytron" monster you control; it gains 2000 ATK until the end of your opponent's turn. You can only use each effect of "Drytron Eclipse" once per turn.

When this card is activated: You can add 1 "Drytron" Spell/Trap from your Deck to your hand, except "Drytron Fafnir". The activation and the activated effects of Ritual Spell Cards cannot be negated. Once per turn, if a monster is Normal or Special Summoned face-up while you control a "Drytron" monster (except during the Damage Step): You can reduce that monster's Level by 1 per 1000 of its current ATK (min. Level 1) for the rest of this turn. You can only activate 1 "Drytron Fafnir" per turn.

Machine / Effect

Cannot be Normal Summoned/Set. Must be Special Summoned with the effect of a "Drytron" card. You can Tribute 1 other "Drytron" monster, or 1 Ritual Monster, from your hand or field; Special Summon this card from your hand or GY in Defense Position, then you can Special Summon 1 "Drytron" monster with 2000 ATK from your GY, except "Drytron Gamma Eltanin". You cannot Special Summon monsters, except monsters that cannot be Normal Summoned/Set, the turn you activate this effect. You can only use this effect of "Drytron Gamma Eltanin" once per turn.

Machine / Ritual / Effect

You can Ritual Summon this card with "Meteonis Drytron". Other "Drytron" monsters you control cannot be destroyed by your opponent's card effects. Twice per turn, when your opponent activates a monster effect (Quick Effect): You can banish "Drytron" monsters (min. 1) from your GY whose total ATK equal or exceed the original ATK of that monster; negate the activation, and if you do, destroy it. If this Ritual Summoned card in its owner's control is destroyed by an opponent's card: You can Special Summon 1 Ritual Monster with 4000 ATK from your hand or Deck. (This is treated as a Ritual Summon.)

Machine / Ritual / Effect

You can Ritual Summon this card with "Meteonis Drytron". Your opponent cannot target this card with monster effects. If the total Levels of monsters used for its Ritual Summon are 2 or less, this card can attack all Special Summoned monsters your opponent controls once each. During your opponent's turn (Quick Effect): You can banish monsters from your GY whose combined ATK equals exactly 2000 or 4000, then target 1 face-up card your opponent controls for every 2000 ATK of the total; send that card(s) to the GY. You can only use this effect of "Drytron Meteonis Draconids" once per turn.

Machine / Ritual / Effect

You can Ritual Summon this card with "Meteonis Drytron". Your opponent cannot target this card with Spell/Trap Cards or effects. You can only use each of the following effects of "Drytron Meteonis Quadrantids" once per turn. If the total Levels of monsters used for this card's Ritual Summon were 2 or less: You can destroy all Spells and Traps your opponent controls. If this Ritual Summoned card is destroyed: You can Special Summon "Drytron" monsters from your GY, except "Drytron Meteonis Quadrantids", whose combined ATK equals exactly 4000.

When your opponent Normal or Special Summons a monster(s), while you control a Ritual Monster: Negate the Summon, and if you do, shuffle that monster into the Deck. You can only activate 1 "Drytron Meteor Shower" per turn.

Machine / Xyz / Effect

2+ Level 1 monsters

When you Ritual Summon, you can detach a material(s) from this card as monster(s) required for the Ritual Summon. You can only use each of the following effects of "Drytron Mu Beta Fafnir" once per turn. If this card is Xyz Summoned: You can send 1 "Drytron" card from your Deck to the GY. When your opponent activates a Spell/Trap Card, while you control a Machine Ritual Monster (Quick Effect): You can detach 1 material from this card; negate the activation, and if you do, destroy that card.

Special Summon 1 "Drytron" monster from your Deck, but destroy it during the End Phase. You can only activate 1 "Drytron Nova" per turn. You cannot Special Summon monsters, except monsters that cannot be Normal Summoned/Set, the turn you activate this card.

Machine / Effect

Cannot be Normal Summoned/Set. Must be Special Summoned by card effect. If a "Drytron" card is on the field: You can Special Summon this card from your hand or GY, but banish it when it leaves the field. If this card is Special Summoned: You can add 1 "Drytron" monster from your Deck to your hand, except "Drytron Nu II". You can only use each effect of "Drytron Nu II" once per turn, also you cannot Ritual Summon the turn you activate either of this card's effects, except Machine monsters.

Machine / Effect

Cannot be Normal Summoned/Set. Must be Special Summoned with the effect of a "Drytron" card. You can Tribute 1 other "Drytron" monster, or 1 Ritual Monster, from your hand or field; Special Summon this card from your hand or GY in Defense Position, then you can add 1 Ritual Spell from your Deck to your hand. You cannot Special Summon monsters, except monsters that cannot be Normal Summoned/Set, the turn you activate this effect. You can only use this effect of "Drytron Zeta Aldhibah" once per turn.

Cyberse / Effect

If this card is in your hand or GY: You can banish 2 other Cyberse monsters from your hand and/or face-up from your field; Special Summon this card, but its ATK becomes halved. You can only use this effect of "Dual Assembwurm" once per turn. Once per turn: You can banish 1 card from your hand; banish 1 monster on the field with ATK less than or equal to this card's.