This was probably done so it could instantly win the duel by destroying Five-Headed Dragon with an overwhelming Attack power of 9,000
Amphin Mutineer
Now you just have to open some sweet rares.
Tai A is less important, but you want to play 2 so that you're less likely to banish it with Desires, since it is a common search off of the Rota, and leads to Synchro 8 Spam
Dont Ink, or Mulligan, The Queen, Commanding Presence if shes in your opening hand Grumpy, Bad-Tempered gives all Dwarfs plus-one power
At the end of the Damage Step, when the equipped monster attacks an opponent's monster, but the opponent's monster was not destroyed by the battle: You can make the opponent's monster's ATK 0 (even after this card leaves the field or the monster becomes unaffected by card effects), and if you do, the equipped monster can make a second attack on the same monster in a row