That's just unfair value
Ragtag Bunch of Misfits: The Fleur series and its support are rather eclectic in design, containing three Attributes (LIGHT, DARK, and WIND), six monster Types (Plant, Machine, Spellcaster, Beast, Warrior, and Beast-Warrior), a Fusion Monster (despite Fleur focusing on Synchro Summoning), an Equip Spell (when Fleur has never cared about Equips) and cards from two different archetypes which were never intended to work together (Noble Knight and Synchron)
Like Brilliant Stars before it and Lost Origin after, it features Pokmon and characters from Pokmon Legends: Arceus
Gadarla, the Mystery Dust Kaiju Gadarla, the Mystery Dust Kaiju is one way to deal with Barrier Statue of the Stormwinds
Liliana offers recursion, hand control, and planeswalker value in a single card, flipping easily in sacrifice-based decks
More recently, there has been controversy surrounding mechanically unique Secret Lair cards, such as those featuring characters from The Walking Dead and Stranger Things