mtg boast cards as a tutor card in Magic: The Gathering (Activate this ability only if this creature attacked this turn and only once each turn.) boast mtg cards Rules Text:

While a bit contradictory with the Amethyst portion of the deck, which has you constantly sending characters back to your hand, if you keep bringing them to the field , your opponent may be put in a difficult situation, unable to use Actions if you play your hand right

These cards generally arent found in regular Secret Lair Drops, and instead are bonus cards released in random drops for a limited time, with an extremely limited print run and no guarantee youll open one of these rare cards

With serialized cards its an even more interesting question

Chernabog looks very static, and sort of sulky, whereas the regular version is more animated and monstrous

as these are alternate art variants found at the rate of 1 in every 72 Disney Lorcana booster packs, theyre always highly sought after