Another big winner from exploratory design was Khans of Tarkir block
Lorcana has plenty of collector potential
24 Spells Young Wolf Blisterpod Deathrite Shaman Bird of Paradise Elves of Deep Shadow Carrion Feeder Butcher Ghoul Collective Brutality Zulaport Cutthroat Blood Artisist Sultai Emissary Sylvan Ranger Smallpox Abrupt Decay Hangarback Walker Bloodghast Ophiomancer Yehenni, Undying Partisan Flesh Carver Grim Haruspex Liliana, Heretical Healer Meren of Clan Nel Toth Braids, Cabal Minion Smokestack 16 Lands including a Gaea's Cradle
Kaldra Compleat provides an expensive way to provide both indestructibility and a host of other keywords, including first strike, trample, and haste
Now consider the affinity for artifacts and the fact that the blue color works well with artifacts
Those products also had non-standard card backs, making them unusable in tournaments