Spell Field

You can target 1 other card you control; destroy it, and if you do, add 1 "roid" card from your Deck to your hand. During damage calculation, if your "roid" monster battles: You can send 1 "roid" monster from your Deck to the GY; switch the original ATK and DEF of your battling monster during the damage calculation only. You can only use each effect of "Megaroid City" once per turn. You cannot Special Summon monsters from the Extra Deck, except Fusion Monsters, the turn you activate either of this card's effects (even if this card leaves the field).

LIGHT 5

1 Machine monster + 1 Dragon monster If this card is destroyed and sent to the GY: You can target 1 card on the field; destroy it.

DARK 6

"Elemental HERO Wildheart" + "Elemental HERO Necroshade" Must be Fusion Summoned and cannot be Special Summoned by other ways. When this card is Special Summoned: Target 1 monster your opponent controls; destroy that target, then Special Summon 1 monster from your opponent's Graveyard to their side of the field.

Trap Normal

When your opponent Summons a monster(s): Change that monster(s) to face-down Defense Position. Monsters changed to face-down Defense Position by this effect cannot change their battle positions.

WIND 4

You can Tribute 1 Machine monster; Special Summon 1 non-WIND "roid" monster from your Deck. You can pay half your LP and banish any number of Machine monsters from your GY, including this card; Special Summon from your Extra Deck, 1 "roid" Fusion Monster with the same Level as the number of those banished monsters, ignoring its Summoning conditions, but destroy it during the End Phase. You can only use each effect of "Mixeroid" once per turn.

DARK 4

If this card attacks, destroy 1 Spell or Trap Card at the end of the Battle Phase if you control another "roid" monster.

EARTH 4

If this card attacks an opponent's monster, this card gains 500 ATK during the Damage Step only. If this card is attacked by an opponent's monster, this card loses 500 ATK during the Damage Step only.

WATER 4

This card can attack your opponent directly, but when it does so using this effect, the battle damage inflicted to your opponent is the original ATK of this card. At the end of the Damage Step, if this card attacked or was attacked: You can change this card to Defense Position.

Trap Counter

When a Spell/Trap Card, or monster effect, is activated while you control a "roid" Fusion Monster: Negate the activation, then send all cards with the same name as that card from the activating player's Deck and Extra Deck to the GY. You can banish this card from the GY, then target 1 "roid" monster in your GY; add it to your hand. You can only use this effect of "Emergeroid Call" once per turn.

Spell Normal

Fusion Summon 1 Fusion Monster from your Extra Deck, using monsters from your hand or field as Fusion Material.

EARTH 5

2 Machine-Type monsters with the same name This card can attack your opponent directly.

EARTH 4

When this card destroys an opponent's monster by battle and sends it to the Graveyard: Equip the destroyed monster to this card. This card gains ATK equal to the combined ATK of the monsters equipped to it by this effect.

Trap Normal

Reveal 1 Fusion Monster in your Extra Deck, add 1 of the Fusion Materials whose name is specifically listed on that card from your Deck to your hand, then you can add 1 "Polymerization" from your Graveyard to your hand.

EARTH 4

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

EARTH

2 Level 4 Machine-Type monsters Once per turn: You can detach 1 Xyz Material from this card; add 1 Level 4 or lower Machine-Type monster from your Deck or Graveyard to your hand. When this card leaves the field: You can target 1 Level 3 or lower "Geargia" monster in your Graveyard; Special Summon that target.

DARK 4

If this card is Normal or Special Summoned: You can discard 1 card; add 1 "Polymerization" Normal Spell or "Fusion" Normal Spell from your Deck to your hand. You can reveal 1 Fusion Monster in your Extra Deck; Special Summon 1 of the Fusion Materials whose name is specifically listed on that monster from your GY, in face-down Defense Position. You can only use each effect of "Keeper of Dragon Magic" once per turn. You cannot Special Summon monsters from the Extra Deck, except Fusion Monsters, the turn you activate either of this card's effects.

EARTH 9

"Truckroid" + "Expressroid" + "Drillroid" + "Stealthroid" Once per turn: You can target 1 face-up non-Machine monster on the field; equip that target to this card. While equipped with a monster by this effect, this card can attack all monsters your opponent controls, once each. If this card attacks, its original ATK is halved. If this card attacks a Defense Position monster, inflict piercing battle damage.

DARK

2 Level 4 monsters Once per turn: You can detach 1 Xyz Material from this card, then target 1 monster your opponent controls; banish it until your opponent's next Standby Phase. At the end of the Damage Step, if this card attacked: You can make this card gain 300 ATK, and if you do, increase its Rank by 3.

EARTH 4

When this card is Summoned: You can target 2 "roid" monsters in your GY, except "Expressroid"; add those targets to your hand.

WIND 1

During damage calculation, if your opponent's monster attacks directly (Quick Effect): You can discard this card; you take no battle damage from that battle. During damage calculation, if your opponent's monster attacks directly (Quick Effect): You can banish this card from your Graveyard; you take no battle damage from that battle.

EARTH 8

"Steamroid" + "Drillroid" + "Submarineroid" A Fusion Summon of this card can only be conducted with the above Fusion Material Monsters. During battle between this attacking card and a Defense Position monster whose DEF is lower than the ATK of this card, inflict the difference as Battle Damage to your opponent.

EARTH 4

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

EARTH 4

When this card is Summoned: You can target 2 "roid" monsters in your GY, except "Expressroid"; add those targets to your hand.

EARTH 4

If this card attacks an opponent's monster, this card gains 500 ATK during the Damage Step only. If this card is attacked by an opponent's monster, this card loses 500 ATK during the Damage Step only.

WATER 4

This card can attack your opponent directly, but when it does so using this effect, the battle damage inflicted to your opponent is the original ATK of this card. At the end of the Damage Step, if this card attacked or was attacked: You can change this card to Defense Position.

EARTH 8

"Steamroid" + "Drillroid" + "Submarineroid" A Fusion Summon of this card can only be conducted with the above Fusion Material Monsters. During battle between this attacking card and a Defense Position monster whose DEF is lower than the ATK of this card, inflict the difference as Battle Damage to your opponent.

EARTH

2 Level 4 Machine-Type monsters Once per turn: You can detach 1 Xyz Material from this card; add 1 Level 4 or lower Machine-Type monster from your Deck or Graveyard to your hand. When this card leaves the field: You can target 1 Level 3 or lower "Geargia" monster in your Graveyard; Special Summon that target.

Spell Normal

Fusion Summon 1 Fusion Monster from your Extra Deck, using monsters from your hand or field as Fusion Material.

Trap Normal

When your opponent Summons a monster(s): Change that monster(s) to face-down Defense Position. Monsters changed to face-down Defense Position by this effect cannot change their battle positions.