If you do, draw cards equal to the number you placed at the bottom of your deck
When you get a mythic rare, youre somewhat more likely to find the one you want from a pack as there arent many mythics per set
It usually appears on creatures and adds power and toughness to the board, either temporarily or permanently, with a few undergrowth cards having slightly different effects
Naturally, theres also a whole slew of people claiming to have found it already, with tons of fake images and clickbait videos
Many celebrated the prospect of the card's exponential growth without the need for any further mana investment
Translating this aesthetic to a card is certainly possible, as evidenced by the Marvel Masterpieces trading card series (which I first learned about through Donny Caltriders thoroughgoing, caring, and exuberant analysis series)