To start, his first auto ability is one that activates when he enters the field: When Shinryu enters the field, deal 10000 damage to all the Forwards of cost 3, 6, and 9 opponent controls. Theres a restriction on the targets, but 10,000 damage is high, and it would generally be possible to break most Forwards meeting the cost conditions
A good example of this is Prishe from FINAL FANTASY XI
You should also watch out for the self-destruct
Each time you play, you open up two new booster packs and use the cards inside to form a mini deck of 24 cards
If you prefer a more aggressive approach, you may get frustrated by some of the finesse of this deck, and what at times can feel like an over-reliance on Action and Song cards to really get going
The Ruby and Sapphire starter deck is built for players with a strategic and aggressive playstyle