I will quote the relevant third part about the playtesting: Step Three: Full-Time Playtesting At Creatures, theres a special room dedicated to testing the card game
You exile Experimental Overload even if you don't return a card to your hand
Because the last ability causes Monument to Perfection to lose all the abilities, activating it multiple times before the first activation resolves does not result in it having multiple instances of toxic 9
The basic mono-colored ones and their new card upgrades are given to you as you complete the Color Challenges, and then you unlock the dual-colored starter decks by completing daily quests, daily/weekly wins, and leveling up
A Black Lotus released in Alpha is much more expensive than one released in Unlimited , for example
We now give these batches a name, which you can see with things like historic, outlaws, or modified