Not only that, it sounds like a completely absurd Magic card
Wizards of the Coast did $406 million in revenue in Q2 this year
Best MTG Secret Lairs 2021 Fblthp: Completely, Utterly, Totally Lost - A Where's Waldo-style panorama featuring every Magic fan's favorite navigationally-challenged Homunculus
Set Boosters have a guaranteed showcase eternal night basic land, which is in traditional foil 15% of the time
Considering that you'll open one copy of Heliod, Sun-Crowned roughly every 3.5 booster boxes, this means that the supply of the Secret Lair version of Heliod, God of the Sun (again, based on our estimate) is roughly the equivalent of 175,000 booster boxes of Theros being opened (at $100 a box, about $17.5 million dollars worth of boxes)
What this means, for instance, is that if a block wants to put some other type of counter on creatures we try not to make +1/+1 counters a key element of that block