The easiest to achieve is Jan Jansen, Chaos Crafters ability mixed with Clock of Omens and Mycosynth Lattice
In these matchups, we can swap them out for some big, resilient, hard-to-interact-with threats
[4] Here are some ideas: Formats: Perhaps the most popular theme, format cubes may use the best cards in Modern, Legacy, Vintage, or a few specific sets
Often foretelling this and just leaving 1 blue mana up until a situation presents itself isn't that hard to do, and even if they see that coming, it might slow down their play as they can't interact with your exiled Foretell cards that easily
[WWWW] Blizzard (50) Flip a coin
Most meta Field Spells aren't generic except for a small handful