Unhinged is what happens when Magic: The Gathering makes fun of itself. Rather than having a card that requires you to, say, tap three land or discard three cards or any other normal effects, Unhinged cards require you to do things like… play without bending your elbows.
His arms are weird, ignore that. Try to anyway.
Or it might require you to play without using your hands, which is what the guy in the silly hat is doing.
But it leads to pictures like this
Yes, he is tapping his land with his face. And that makes it all worth it.