"Hope you got a Flusterstorm in your hand." There are other combos that can make this thing go infinite - many of them involving a 0 CMC artifact, as you may have guessed
The most annoying part here is that there was a time in Magics history where all Jackals were Hounds, like Dogs, but they got erratad back into being their own type.
Craterhoof Behemoths always been a $25-30+ card, and its a staple and finisher in many formats
We will be excluding enchanted rare cards in this list and only talking about the most expensive legendary cards

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Origin and concept Release date: November 2, 2016 in Germany and August 27, 2016 in France