Mainly, if its not facing an ex or VSTAR Pokmon, it can't attack
(Or fewer, if you have reason to take a mulligan
Creature decks cant afford to go slow and play expensive card-drawing outlets like Lukka anymore, so we only saw him when he could be leveraged as a five-mana sorcery that wins the game

Blue-Eyes White Destiny (structure deck) February 28, 2025 Union Arena One Punch Man (starter deck) February 28, 2025 Digimon Special Booster ver 2.5 (booster set) February 28, 2025 Cardfight Vanguard Generation Dragenesis (booster set) March 2025 March 7, 2025 Lorcana Archazias Island (booster set and starter decks) March 7, 2025 Marvel Champions Agents of S.H.I.E.L.D March 7, 2025 UniVersus Critical Role: Heroes of Exandria (booster set) March 7, 2025 Union Arena One Punch Man (booster set) March 7, 2025 Grand Archive Abyssal Heaven (booster set) March 7, 2025 Grand Archive Guo Jia Re:Collection (preconstructed deck) March 7, 2025 Grand Archive Diao Chan Re:Collection (preconstructed deck) March 7, 2025 Dragon Ball Super Masters History of Z (booster set) March 7, 2025 Arkham Horror The Drowned City (Investigator Expansion) March 14, 2025 Pokmon TCG Heat Wave Arena (Japanese booster set) March 14, 2025 Star Wars Unlimited Jump to Lightspeed (booster set) March 14, 2025 Flesh and Blood Armory Deck: Aurora (preconstructed deck) March 14, 2025 Yu-Gi-Oh

Once you flip him into Ifrit, you get a 9/9 that immediately fights another creature
The enraptured audience barely noticed their programs were suddenly blank