ho-oh pokemon card Ethan's ex SAR 086/063 Heat Wave Arena Colorless Sacred Fire This attack does 50 damage to 1 of your opponents Pokémon Ho-Oh ex Shiny Super Rare

You think about pop reports, price trends, and market dynamics

As for how this all relates to your commander, each colored mana symbol that appears on a card in your deck must also appear on your commander

P/T Number 150 Language English Legal Formats Brawl, Commander, Competitive Brawl, Historic, Legacy, Modern, Pioneer, Timeless, Vintage Not Legal Formats Alchemy, Pauper, Standard Rulings (4/1/2008) If you control 0 swamps, then the Nightmare has 0 toughness and will be put into its owner's graveyard as a state-based action right before the next player gains priority

Thats certainly an interesting and fun synergy, leading to this cards price increase