When Ravnica: City of Guilds was first spoiled, the games foremost deck designer told us that Watchwolf spoke for itself
Paying three black to draw 7 and then an additional black to get those 7 cards will cost a lot of life, but it seems like in most scenarios you will get pretty insurmountable card advantage out of that, and 7 life will be worth it
One could argue that Jumbo Cactuar is not broken at all, and that there are already some very powerful cards that can single-handedly win a game even without 10,000 power, and that is true
Wastes first saw print back in 2016s Oath of the Gatewatch, and its only been reprinted in supplemental sets since
Whenever this creature attacks, it gets +1/+0 until end of turn for each other attacking Goblin
Will of the Temur I value modal spells quite a bit, and though Will of the Temur only has two modes, the ability to target any permanent with the first, and any player with the second is super strong