You can easily get Item cards through tutorials and other means
Sure, technically, there are other cards that are functionally similar to a card like Wheel of Fortune, but they are so much worse than the original that it's difficult to consider them as true substitutes
CardMarket is the primary marketplace to buy individual MTG cards in Europe, and the same is also true of booster boxes
It has also proven to be quite effective in bringing back lapsed players
Aclazotz, Deepest Betrayal Bartizan Bats Basilica Screecher Bat- Blight Keeper Blighted Bat Blind Hunter Bloodhunter Bat Courier Bat Dakmor Bat Darkstar Augur Deep-Cavern Bat Dementia Bat Dirge Bat Duskhunter Bat Essence Channeler Eyetwitch Foundry Screecher Ghastly Gloomhunter Glidedive Duo Gloomhunter Grimclaw Bats Gurmag Swiftwing Kelinore Bat Lifecreed Duo Malakir Familiar Marrow Bats Mirkwood Bats Momo, Friendly Flier Momo, Playful Pet Momo, Rambunctious Rascal Moonrise Cleric Moonstone Eulogist Moonstone Harbinger Ruin-Lurker Bat Screeching Bat Screeching Scorchbeast Sengir Bats Star Charter Starlit Soothsayer Starscape Cleric Starseer Mentor Stirge Vampire Bats Voidwing Hybrid Wax-Wane Witness Wingnut, Bat on the Belfry Wolfbat Zoraline, Cosmos Caller
This is easily the best possible outcome, as it treats the card as every card should be: a game piece with pretty art, rather than a cheque