Draw Engine

Draw Engine 置きドロー (Oki Dorō)

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Draw Engine refers to a card that repeatedly demonstrated the draw effect while it's in the battle zone

Details

Representative examples include Mist Rias, Sonic Guardian, Aqua Attack (BAGOOON Panzer) as System Creatures or Hustle Castle as a castle.

5 Mist Rias, Sonic Guardian
Light / Creature Guardian
2000
■ Whenever another creature is put into the battle zone, you may draw a card.

5 Hustle Castle

Nature

/ Castle

■ Castle—Choose one of your shields and attach this card to fortify that shield. When that fortified shield leaves your shields, put this card into your graveyard. (Use "Shield Trigger" abilities before putting this card into your graveyard.)

■ Whenever you put a creature into the battle zone, you may draw a card.

■ If the fortified shield isn't fortified by any other castles, whenever the fortified shield would be broken by your opponent's creatures, you may return one of your other shields to your hand instead.

Creatures with these abilities are also known as System Creatures. While different from most other draw engines, Factory Shell Q is also considered as one.

Unlike Energy Stream, they don't provide much advantage in the short term. However, as their provide an effect for the entire length of their existence in the battle zone, they have to potential to draw more cards in the long term if they left and not removed.

Unfortunately, most of are easy to destroy due to low power, so protection abilities such as Saver might be required.

As psychic or dragheart cards are put into the hyperspatial zone at the start of a game and the zone is considered public information, it is easy to be ready for removal cards such as Aqua Attack (BAGOOON Panzer) or Evidegoras, Dragon Sonic Aircraft Carrier.

Draw Engines are also known as Draw Sources.

Control decks are the most likely to use these form of cards as they aim to gain advantage over a long game in a slow matter while also protecting themselves. As Aqua Attack (BAGOOON Panzer) can be brought out easily, it is even possible to be used in an All Yes discard deck that only uses Light/Darkness cards.

They can be useful to recovering from mass Card Discard such as Lost Soul or Soul Advantage.

While it is most common in the Water Civilization like all cards that draw cards, it exists in all civilizations, but sometimes with different styles. Motrack, Explosive Striker in the Fire Civilization triggers when one of your fire creatures win a battle, and Darkness can draw card(s) when a creature is destroyed (Super Trash Train, Fuuma Devil / Dark Soul Creation).

List of common Draw Engines

Card:	Effect:
Mist Rias, Sonic Guardian	■ Whenever another creature is put into the battle zone, you may draw a card.
Factory Shell Q	■ Survivor (Each of your Survivors has this creature's ability.) When you put this creature into the battle zone, search your deck. You may take a Survivor from your deck, show that Survivor to your opponent, and put it into your hand. Then shuffle your deck.
Snipe Alpheras	■ Whenever you put a Grand Devil into the battle zone, draw a card.
Super Trash Train, Fuuma Devil	■ Whenever another creature is destroyed, you may draw a card.
Vacuum Crawler	■ At the start of your turn, return one of your creatures in the battle zone to their owners' hand. Then you may draw a card.
Sir Leopol Deenay, the Ice Fang	■ Whenever you cast a spell, you may draw a card.
Melkajik, Whirlpool Recluse	■ Whenever you cast a spell, you may draw a card.
Lord Reis, Wisdom Elemental	■ Whenever you put a creature that has "Blocker" into the battle zone, you may draw a card.
Hustle Castle	■ Whenever you put a creature into the battle zone, you may draw a card.
Aqua Jester Loupe	■ If this creature or one of your other creatures is the second creature put into the battle zone during your turn, you may draw a card.
Aqua Attack (BAGOOON Panzer)	■ At the start of your turn, you may draw a card.
Aqua Teacher	■ Whenever you summon a creature that has no abilities, you may draw a card.
Dead Ryusei, Eternal Demon Dragon	■ When this creature or another creature is destroyed, you may draw a card.
Evidegoras, Dragon Sonic Aircraft Carrier	■ At the start of your turn, you may draw a card.
Vader, Dark Armor	■ At the end of your turn, you may put the top card of your deck into your graveyard. If it's a creature, draw a card.
Astral Super Reef	■ When you put this creature or one of your other Cyber Viruses into the battle zone, you may draw 3 cards.
No Data	■ At the start of your turn, draw an extra card.
Walsura Institute, Malicious of D	■ Whenever you put a creature into the battle zone, you may draw a card.
Bernine, Dragon Armored	■ When you put this creature or another Metallica into the battle zone, you may draw a card.
Cyber GG Hulk	■ When you put another water creature into the battle zone, draw a card.
Kemuri, Tangled Machine	■ At the end of your turn, you may put the top card of your deck into your graveyard. If it's a creature, draw a card.