Check out our write ups on red draw, green draw, blue draw, and black draw cards
Emet-Selch of the Third Seat* As long as you can consistently cause some life loss, this Emet-Selch is a strong option for control decks, letting them replay spells and at a discount
Moving this to something more suited to wield it could be extremely valuable
We didn't want to use an X in an activation cost because we were worried it would cause confusion (yes, as long as X is the same variable the rules can handle it, but experience has shown us time and again that variables are one of the most confusing things in the game for a lot of players), so we tried having the effect limited by the size of the X variable
You would end up using a Get Lost on a Kaito, Bane of Nightmares, only to give your opponent fuel in map tokens, but at that point they probably got enough value out of their Kaito to make your Get Lost inconsequential
Rather than pay two black mana, you can pay one black mana and one mana of any color instead