search your library for a card mtg Myriad Landscape (DSC) #289 and/or library for a card named Altanak Spellseeker - Creature - Cards

SHAPE OF THE FORMAT Part of what gives this Limited format that fundamentals feeling is the slower, more forgiving gameplay

"Has WOTC figured out how in-universe versions of UB cards with unique creature types will work?"

There are classic heroes as well as villainous foes to recruit

They use an "open air" card frame and special rainbow foil treatment, with a holofoil treatment on the icons and a gloss treatment on the artwork

Each cards mechanics complement the character, item, or action

It was also part of a card drawing and holding complex with Library of Alexandria and was reinforced by several cards that would refill hands to seven cards, putting the Tower's ability back in play