Thats because most of the best Eldrazi have cast triggers, with Thought-Knot Seer being one of the rare instances of an ETB Eldrazi
Once you reach the top 1,200, your percentage is replaced with a specific rank
2014-05-29 If Dack's Duplicate somehow enters the battlefield at the same time as another creature, Dack's Duplicate can't become a copy of that creature
#8 | Yawgmoth, Thran Physician Yawgmoth is much less popular in the overall Modern format than the other cards on this list, but the card is the namesake of one of the biggest decks in the format
Unless youre on a combo deck, losing half of your library isnt the absolute end of the world, but having a 12/12 or 13/13 with Annihilator of, on average, 5 or 6 coming at you with Ward: Sac two permanents is brutal