The classic match up is any kind of draw go control deck against RDW in which the control deck is forced into being the aggressor and having to end the game as quickly as they reasonably can
After pack one, we are solidly blue with one creature that we dont want to play, two late game win conditions in Mathemagics and Brain Freeze, and a black green land in the event we pick up something worth splashing
Korvold, on the other hand, wants to chow down, so Ill admit theres some tension with both in the deck
Creating a copy with Twincast and similar cards doesnt count as casting it, so you dont need to pay additional costs
Faerie Guidemother Faerie Guidemother doesnt see much play outside of Pauper Cubes, but the combination of a Flying Men with a combat trick that enables lethal swings makes it a fierce threat for white
Isochron Scepter Now let's talk Isochron Scepter the artifact that turns any 2-mana instant spell, like Counterspell , into a perennial threat