how to tell pokemon card first edition If A Is [6 Steps] Base Set Explained: What Do

Such things trigger based on where the card came from

This creature doubles all your mana dorks and will help you buff up your entire army, giving elves a boost it absolutely did not need

So, without further changes, I don't think Kaervek the Merciless is worth it

But in an official format like Vintage, it would lead to way too many problems to the point it was not worth keeping them in the format

Alisaie Leveilleur and Alphinaud Leveilleur are two separate cards but are partners which means when you play one, you may search your deck for the other, and add it to your hand, which makes sense since their abilities complement each other