Shadowverse

He may leave, but his great feat will never be forgotten.

Yes, that's true. I hope they release a worthy replacement for him, because with only one Kazakus, decks without duplicates won't go very far.

In Hearthstone, it's garbage, of course, with discarding the entire hand and being vulnerable to removal.

Well, in certain decks and under certain metas (not the current pirate one, though), it played quite well. During the heyday of dragon warriors, I often lost to Deathrattle Rogue, for which there was no answer.