In 1 out of 28 Play Boosters, 1 of 20 non-foil source material cards will replace a common
I did, however, try to keep five of the most powerful and relevant cards at the top of the list, due to their value (in terms of gameplay, affordability, and availability)
The Mutate Kaiju The five legendary creatures with Mutate can be combined with creatures that are already on the field, gaining all abilities of all cards, but keeping the power and toughness of the creature of your choosing (which should be placed on top)
And recreating dinosaur DNA to create modern monstrosities that inevitably escape their confines because nature can't be contained
Boil + Boiling Seas + Tsunami Boil is obviously better because its at instant speed, but Boiling Seas costs just as much
Its a peek into what might be happening off the border of the typical card art box