The Crown Zenith best cards feature a mix of legendary Pokmon, fan-favorite Eeveelutions, and stunning alternate art designs
If you dont, you may put a land card from your hand onto the battlefield. If you can plot a card, cast something from your graveyard, from exile, from someone elses hand or directly from your deck, you can put something of your choice into play from your hand
Needing to have one Hedron Alignment in your hand, one on the battlefield, and one in exile and your graveyard, this is an incredibly difficult win to assemble
You can only use this effect of "Archfiend Heiress" once per turn
It's definitely strong though
Both of those listed cards have conditions that can stop them from being used, and the only drawback of this card is discarding all cards attached (whereas Penny can return them to your hand)