Its simple, it looks innocuous, and the white cardboard takes Sharpie marks like a champ
#2: Marrow-Gnawer Due to the story in his flavor text, Marrow-Gnawer might be perhaps better known as "The Godfather of Rats." Slaying all your enemies in one night is definitely a Michael Corleone kind of thing
Dream Coat Adopt the character of the twisting octopus, which takes on the appearance of the nearby rock
Idol of Oblivion If you have a way to generate tokens (which, in Magic, are legion), Idol of Oblivion becomes a solid once-per-turn draw engine
A 3/5 hellion horror for five mana, Obosh states that if a source under your control with an odd mana value would deal damage to a permanent or player, it deals twice as much damage instead