gundam newtype rising booster box case Card Game - (GD01) these cards feature Zeon and Neo Zeon cards that can directly damage units Case 12x Gundam Card Game

Generally they either tack the ring tempts you onto an already good card, or are excellent ringbearers that reward you for investing in the mechanic, like Bilbo, Retired Burglar and Frodo Baggins

The most current series is not in the list above

When you do, cast it for its madness cost or put it into your graveyard.) Illustrated by Wayne Reynolds Standard Not Legal Alchemy Not Legal Pioneer Not Legal Historic Not Legal Modern Legal Brawl Not Legal Legacy Legal Comp

At least the others have some kind of real use, but Amethyst Cat is a 1200 ATK monster that can attack directly, but it can only deal half battle damage when it does so

1Disturbing Mirth

This card is likely cEDH viable due solely to that third ability