We'll show you more about the Magic Celebration event later this year
it doesn't have to be from its foretell ability

Abominable Treefolk Abomination of Llanowar Adamaro, First to Desire Aeon Chronicler Ajani Goldmane Allosaurus Rider Altar Golem Ancient Ooze Angelic Enforcer Angry Mob Apocalypse Demon Ashaya, Soul of the Wild Awakened Amalgam Aysen Crusader Barracks of the Thousand Battle Squadron Beanstalk Giant Beanstalk Giant Beast of Burden Benalish Commander Beorn's Hospitality Bloodsworn Knight Body of Knowledge Boneyard Mycodrax Boneyard Wurm Bonny Pall, Clearcutter Braulios of Pheres Band Broodstar Burrowguard Mentor Caller of the Hunt Cantivore Captain Rex Nebula Chameleon Spirit Chimeric Mass Cognivore Consuming Aberration Control Win Condition (playtest) Crowd of Cinders Cruel Somnophage Cruel Somnophage Crusader of Odric Cultivator Colossus Dakkon Blackblade Darksteel Juggernaut Dauntless Dourbark Daxos the Returned Detritivore Doomed Artisan Doubtless One Drift of the Dead Drove of Elves Druid Class Duggan, Private Detective Dungrove Elder Elephant Resurgence Eluge, the Shoreless Sea Elvish House Party Entropic Specter Faerie Swarm Flora Colossus Fungal Behemoth Gaea's Avenger Gaea's Liege Geist-Honored Monk Graveyard Busybody Greensleeves, Maro-Sorcerer Gutter Grime Hallowed Haunting Harmonious Grovestrider Heedless One Horde of Boggarts Ixidron

The topic of a set rotation comes with both pros and cons
When playing a non-basic land, you have to ask yourself Is this lands effect worth the inability to access its mana the turn I play it? Spending five mana to grab up to two artifacts or enchantments and put them in your hand is most certainly not
This means that if collectors really wanted to, they could keep buying Happy Meals and reselling the cards themselves or whole packs for a positive profit margin