Hello, and welcome to my Rhinos sideboard guide! If you haven’t read my other works on the deck, you can find them all here.
Modern after Dominaria United
The metagame after the Dominaria United release is not fully established yet. So far we know that Leyline Binding is the most powerful card for Modern and it’s being tested in many different archetypes. Among all of them, the most successful ones are different variants of Creativity. The new addition of the powerful enchantment has pushed many (but not all) Creativity players into white. At this point, it’s either a four or five colour deck with many Triomes and all the best cards that can be cast by using the manabase centred around Mountains and Dwarven Mire. The question is which ones are the best. I think that we’ll never be able to answer this question and - like in the Four Colour Yorion case - many subversions of the archetype will be around. The current flex slots are: Persist (played from zero to three copies), Transmogrif...