Seahunter itself costs 4, so we can't start all the way down the Mercenary pecking order, but Cateran Enforcer does specialize in fetching 4-mana Mercenaries, and it has the good sense to cost 5 itself, making it unfetchable by its own effect (in contrast, Rebels search up the mana cost line, and every creature with a Rebel-fetch ability is capable of fetching copies of itself, so all of them are out of bounds)
Mega Charizard Y ex is classified as a 2-Stars card in the Crimson Blaze set
Zvi Mowshowitz built a combo deck around it that so dominated both that it needed to be banned almost immediately after the inception of his deck
It's poorly timed, and maybe a sign of how Hasbro sees Magic as a collectable first and a game second, but that's nothing we haven't seen before
She's no Massacre Wurm but she's a solid sweeper and she can be returned to your hand after use in a Black deck more easily than Damnation could in a Black deck
All Star City Games card lots are hand constructed to ensure they are of high quality, and contain minimal duplication within each lot