Unlike the Vancouver Mulligan rule, the London Mulligan lets you craft your plan before you start the game instead of accepting a hand and making a decision based on the top card of the library
This can also work as a combat trick with Bristly Bill, since you can use it to run the combo looking for lands to buff whatever attacker is unblocked
Cast it on a later turn for its foretell cost.) Whenever chaos ensues, you may cast a foretold card you own from exile without paying its mana cost this turn
These cards have unique artwork and are styled as fun, quirky additions to the set
In blue, I had this card: Unstable Mutation was a flavorful little card from Arabian Nights that let you pump up your creature at the long-term cost of it slowly weakening and dying
A higher volatility means that you have increased odds of picking cards on either end of the spectrum and a lower chance of pulling something in the midrange price tier