Theres an MTG Arena code cap in place to keep the balance
So it may have a hard time attacking, being attacked or doing a lot of dmg, that is why you have CVD, they make a great duo partner with each other, Clear Vice Dragon may look weak, but here's the thing, all of its effect are continuous & do not start a chain , it has its own Unique protection effect of destruction (which is not a cost by the way) and it does all the battling for Winda beating over your opponent's Beefy High ATK Boss monsters, when You Attack it gains Double the ATK of that monster (During Dmg Calculation Only)
Energy Search Pro (176/191) A card that feels tailor made for the introduction, and rise, of Stellar Pokmon, Energy Search Pro allows players to search their deck for any number of Basic Energy cards of different types, reveal them and put them in their hand, before shuffling their deck
Special Energy cards pay for Energy costs just like Basic Energy, but they may provide more than one Energy at a time, provide a perk like more damage, heal damage, and more
I recommend starting with the staples
Luckily the following week I ran into a very big sylveon fan and was able to pass along his generosity