If your neighbor is doing the same thing, or the right cards arent flowing, then Boros wont work out, and it can be difficult to move from Boros into a different strategy
You can play less fair with Hope, too, by bringing in cards like Beacon of Immortality to potentially mill out the entire table in one move
Never underestimate the power of a gift and politics at an EDH table, besides, I've heard that no one goes poor from donating
Much like other boss monsters in the game, cards like "Solemn Warning" and "Black Horn of Heaven" can stop the Summoning of "Rainbow", while the "Kaijus" can effortlessly remove her from the field (assuming the Main Monster Zones aren't full)
As always, all comments are welcome, thank you so much for reading, and have a great one
Donald Duck, Musketeers promo card was printed as part of a convention giveaway