bt10 booster box Dragonsoul Resonance (DZ-BT10) Language edition Cardfight Vanguard | [BT10] Dragon

Weavile ex also happens to come in the same set as Darkrai ex and Dawn and only needs 1 Energy for its attack, forming a combo where you can ping an opponent with Darkrai ex, then shift the Energy from Darkrai ex onto Weavile ex and maul the opponent

You can only use each effect of "Labrynth Labyrinth" once per turn

This attack does 50 damage for each Energy attached to all of your opponents Pokemon

Lone Missionary Lone Missionary is a staple of Pauper formats and lifegain-based decks

Another reason I think a banning is unlikely is because I have no idea what Wizards would ban, since there isn't really one card or even one deck that is dominating the format