Ahriman Ahriman dies to lots of things, but its pretty rewarding if it sticks
Just fine
You can pay two and tap it to keep all other artifacts tapped down while it remains tapped - essentially keeping all artifact creatures and mana rocks out of the game, if you're willing to pay that cost each turn
Everyone had a hand in this one, from the Vision Design team to the editors and rules manager, from the card conceptors and art directors to the Future Future League playtesters I feel like we hit the sweet spot at the intersection of fun, novel, and flavorful, with a decent dash of "powerful" thrown in for good measure
If you know how to play with fire, other people get burned
Goblins commonly run Krenko, Mob Boss for the swarm approach, but Ib Halfheart can be interesting to give opponents terrible blocking decisions