monarch cards yugioh Granmarg the Mega inflict 1000 damage to your opponent Granmarg the Rock Monarch -

Decks go over the top of Hangarback Walker very easily these days, so its a card that many people still play with (including myself) because they remember what Hangarback Walker used to be capable of

But he's not alone

I would expect to target your opponent's cards more often than your own, though the ability to create an Archfiend of the Dross or Doomsday Excruciator (you won't get the combo trigger, but you will get the rest of the card which is still very threatening) can also be valuable

Arkana During the Battle City arc, Marik sent a group of his hand-picked "Rare Hunters" to challenge Yugi Muto

Its only possible to speculate at this early stage, but stay tuned for any official updates