Any monster equipped with this card gains at least 1500 ATK the innate 1000 ATK plus 500 ATK/DEF for that used Dragon, and every additional Dragon grants another 500 ATK/DEF
12 Grolnok, The Omnivore It eats everything
Rather, they're played in their own deck called the Attraction deck
Similarly, Dredge is able to explode less after their initial big dredge
The obvious responses that I had anticipated followed: People thought that the deck was bad because you can Reasoning or Monster Gate into Thunder Dragon, ignoring the disproportionately strong things that the card allows you to do when you draw it, be it Graceful Charity, Card Destruction, light(s) in grave, mulligan with Reload, and so on
C Common Yamatako Orochi X WATER Level 1 [ Sea SerpentTunerEffect ] ATK 0 DEF 800 This card on the field can be treated as a Level 8 monster when used for a Synchro Summon