If you have at least 3 of The Variables in your deck, Shuffle a copy of The Formula into your deck.
The Variables has a 75% chance to recover 4.
The Variables has a 50% chance to be unstoppable.
On Deplete, you have a 25% chance to shuffle a copy of The Variables into your deck.
The Variables, known only as X, Y, and Z, believe they see the world for what it truly is. Numbers. Formulae. Mathematical concepts that govern existence and hold the power of life and death. Perhaps they're right. If not, why would tracing their inscrutable equations in the air enable them to control minds and destroy matter?
These are mere parlor tricks compared to their ultimate goal, however. Their true purpose is to create an entrance for The Formula, so their master can cross the threshold into our world.