This foil Karn was only given out to Top 32 players at the Pro Tour
Sarkhan, the Dragonspeaker and Sorin, Solemn Visitor thrive as planeswalkers in a format that lends itself to long, stalled-out games
In my opinion, the strongest things you can do in Mono Red are: "Glass cannon" decks that either quickly pop off and win before opponents can stabilize, like Storm, Krenko, Purphoros, Slicer Crushing nonbasic lands, aka defeating a large chunk of players with a single Blood Moon The problem with these two strengths is that they aren't always the right pick for casual tables
The Dragon potentially comes down for as little as three mana, and allows you to convoke any spells being cast from exile, not just the card you tutored
X=1 is pretty bad, X=2 is serviceable, and anything from X=3 and up seems actively strong
Rating: 6/10 A long time ago, Merfolk Looter was a very powerful Limited card