7-cost EustassCaptainKid, 3-cost Roronoa Zoro, 4-cost Trafalgar Law, and 1-cost Nami are the strongest cards in this starter deck, but they can be picked up in other boxes, so you arent forced to buy the ST10 to collect them
While the basic effect alone is great, it has an extra consequence
TCGplayer Shadow Rider Calyrex VMAX Alternate Art Secret Rare 205/198 This alternate Secret Rare is one of the most valuable cards of the set with the market price of $119.99
They went on to point out that one of the issues with collecting MTG tends to be having too many cards rather than too few

Creatures (27) 1 Dragonspeaker Shaman 1 Sakura-Tribe Elder 1 Solemn Simulacrum 1 Ryusei, the Falling Star 1 Bladewing the Risen 1 Bogardan Hellkite 1 Scourge of Kher Ridges 1 Flameblast Dragon 1 Dragon Broodmother 1 Dragonmaster Outcast 1 Steel Hellkite 1 Hoard-Smelter Dragon 1 Balefire Dragon 1 Thundermaw Hellkite 1 Utvara Hellkite 1 Hellkite Tyrant 1 Scourge of Valkas 1 Stormbreath Dragon 1 Siege Dragon 1 Warmonger Hellkite 1 Kolaghan, the Storm's Fury 1 Shockmaw Dragon 1 Destructor Dragon 1 Atarka, World Render 1 Dragonlord Atarka 1 Dragonlord Kolaghan 1 Savage Ventmaw Planeswalkers (2) Lands (37) 1 Strip Mine 6 Forest 1 Volrath's Stronghold 1 Swamp 4 Mountain 1 Taiga 1 Bayou 1 Badlands 1 Temple of the False God 1 Maze of Ith 1 Golgari Rot Farm 1 Overgrown Tomb 1 Gruul Turf 1 Skarrg, the Rage Pits 1 Stomping Ground 1 Blood Crypt 1 Rakdos Carnarium 1 Mosswort Bridge 1 Savage Lands 1 Dragonskull Summit 1 Bojuka Bog 1 Command Tower 1 Woodland Cemetery 1 Kessig Wolf Run 1 Cavern of Souls 1 Temple of Abandon 1 Opal Palace 1 Crucible of the Spirit Dragon 1 Haven of the Spirit Dragon Spells (33) 1 Quicksilver Amulet 1 Sol Ring 1 Earthquake 1 Rampant Growth 1 Darksteel Ingot 1 Decimate 1 Patriarch's Bidding 1 Decree of Pain 1 Fault Line 1 Gilded Lotus 1 Scrabbling Claws 1 Dragon Fangs 1 Dragon Breath 1 Insurrection 1 Explosive Vegetation 1 Greater Good 1 Pernicious Deed 1 Violent Ultimatum 1 Comet Storm 1 Momentous Fall 1 Cultivate 1 Genesis Wave 1 Into the Core 1 Beast Within 1 Warstorm Surge 1 Guild Feud 1 Might Makes Right 1 See the Unwritten 1 Crux of Fate 1 Frontier Siege 1 Dragon Tempest 1 Flameshadow Conjuring 1 Nissa's Revelation Check out our awesome Deck List Database for the last versions of all my decks: ADUNS TOOLBOX

The second simply takes the Lorcana card back design and puts it on the folder