Art using Other Cards'

[Leviathan]

{Kamahl, Pit Fighter} + {Book Burning} + {Browbeat}

[Silent1236]

Don't know if this was said, but {Accorder Paladin} + {Razorfield Rhino}

[Johng4490]

{Fiery Fall} and {Wild Nacatl}

[Thorn]

Here.
{Increasing Vengence} {Ball Lightning}
I know(think) this was unintentional but it still is pretty cool.