Field of Ruin is already seeing a ton of play in Modern, but thats because Modern is a format where your lands are incredibly important (and there arent a ton of basic lands to search out)
The number of equipment cards you should include in your EDH deck depends on if you have cards to weather the first few turns as well as cards with awesome search abilities that let you tutor the equipment you need, when you need it
Its not hard to pull, but its getting harder to find because so many players are chasing it for tournament builds
Advertisement Rainbow cards are difficult to pull from a pack and are visually appealing
To this day, its unknown how many are actually left
There was once a saying, "I can't carelessly put out extras until I know if the opponent is his Shaddoll", but I remember that time when the opponent was Chaos MAX, I couldn't carelessly leave it on defense