Its higher market price compared to #236 comes down to its slightly more epic art and that aforementioned scarcity
Number 33 Language English Legal Formats Commander, Legacy, Pauper, Vintage Not Legal Formats Alchemy, Brawl, Competitive Brawl, Historic, Modern, Pioneer, Standard, Timeless Rulings (10/1/2009) A plane card is treated as if its text box included "When you roll , put this card on the bottom of its owner's planar deck face down, then move the top card of your planar deck off that planar deck and turn it face up." This is called the "planeswalking ability." (10/1/2009) A face-up plane card that's turned face down becomes a new object with no relation to its previous existence
I think Ajani wins the -7 ability contest because I imagine the number of games where blowing up all of your opponents land changes the outcome of the game to be higher than the number of games where taking 5d2-5 turns changes the outcome
N's appearance in between his two signature legendary Dragons is an under-appreciated part of why this card is as expensive as it is
And while discarding all your Pokemon would be bad, it nearly never happens, and this deck is totally fine not recycling attackers much