Both Red and Blue feature variations of creatures which dont appear in the other edition, and there are times where your choices, such as which Pokmon to choose from the three starter options, closes off the other Pokmon to you entirely over the course of your game
These big creatures are crucial for greens removal, which takes the form of fight and punch spells like Hard-Hitting Question and Prey Upon
The 1/1 Devils aren't fantastic, but if Raphael is in play then they're 2/2s with lifelink that deal 1 damage when they die, so they end up being a lot better than one might think
Between ever-changing sideboards, identifying the right kind of redundancy and trying to consider card within the context of the format, Pioneer players have a lot of mental work on their docket
Knowing Up the Beanstalk exists and is played regularly could have made for difficult choices when designing new cards, so WotC pulled the plug and banned it before it could inadvertently do some damage
