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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

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

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

Creatures (8) Lands (17) Spells (35) 4 Lightning Bolt 4 Sleight of Hand 4 Serum Visions 4 Opt 4 Manamorphose 4 Pyromancer Ascension 3 Noxious Revival 4 Faithless Looting 4 Thought Scour Sideboard If you look at Oliver Tius deck from the last Mythic Championship, a few things stand out