Irencrag Feat provides you with seven red mana, but also restricts you to casting one more spell that turn
Portal Three Kingdoms adds some nice redundancy to some core effects but I have tried to avoid using them in cube mostly for price reasons
Gretchen Titchwillow As much as I dislike design philosophy of the kind of generic goodness of Gretchen, its still a cool Halfling Druid with a strong ability
(2025-06-06) In the incredibly rare case where, during your cleanup step, Ancient Adamantoise is phased out with damage marked on it, Ancient Adamantoise's second ability won't apply and all marked damage will be removed from it during that cleanup step
Realmwalker found its home in Historic elves
The key question we asked ourselves was, When this card was made, was the intent that it be incredibly easy to skirt the drawback? We went with No. Does that make the card feel weak