Generally, the way tribal decks work (with a few exceptions I'll mention later) is that they want to play a lot of creatures and then cards that make those creatures' types matter
Yeah, that ain't it
While it costs a ton of mana to level up, Hada Spy Patrol eventually turns into the best Invisible Stalker of all time, and if we have a Time of Heroes on the battlefield, it can be a 5/5 shroud unblockable, which is a great way to close out the game
For the most part, Memory Plunder acts as a four-mana wildcard
Pack 19: Notables: JPN Wilt-Leaf Liege ($2), JPN Cranial Plating ($1) Pack Value: $3 Subtotal: $164.75 Pack 20: Notables: JPN Foil Kozilek, Butcher of Truth ($100), JPN Leyline of Sanctity ($32) Pack Value: $132 Subtotal: $296.75 Excuse me while I push my Roger Rabbit eyes back into my noggin
It also means itll be legal in Pioneer and Modern alongside the eternal formats Commander, Vintage, and Legacy