Sylveon in its characteristic ribbon-wrapped form with Special Illustration Rare treatment
Cards issued as a part of that print run are commonly known as shadowless cards because they do not include a drop shadow that was added to cards for future print runs
It doesnt have particularly effective attacks until it reaches at least level 40, but if you have high friendship with Chansey, itll evolve into a Blissey before then anyway
This makes Be'lakor very strong not just when it enters, but also passively throughout the game
Sure, Mew Prime has the attack See Off, which lets you Lost Zone a Pokmon from your deck for 1 P Energy, but leaving your Mew Prime active is giving your opponent a easy prize to pick off with cards like Uxie
In addition to cards like OP06-091-victoria-cindry that put a large number of cards from our deck into the trash, characters inherently end up in the trash due to combat