Karn has both the legendary supertype and artifact type, qualifying as a historic card in two ways
This card is so powerful, it allows a crafty player to win on turn one
Rip Apart Rip Apart is incredibly versatile removal
Cloudpost The fact that Cloudpost lists run Emrakul, the Aeons Torn in their deck not because theyre cheating it into play with cards such as Sneak Attack or Show and Tell, but because they can cast it should tell you all you need to know about this archetype
Admittedly, lands in Magic: The Gathering do not have any colour identity, so I might be cheating a little here
Designed for kids aged 10 and up, this 526-piece model lets young builders create a moving representation of the Earth and Moon orbiting the Sun