mtg battle card rules cards Rules Reference Cards - Magic the Gathering What Are Battle Cards In

Okay, I am going to address the elephant in the room: Gandalf the Grey is blue-red

And even that was pretty loose

and Hasbro, Inc

Tempor-Ante Rules: Normal 60 card minimum deck to start the tournament (may drop below 60 cards later) Standard 15 card (optional sideboard) Players must bring a stack of blank cards for proxies (cardstock, acetone wiped cards, basic lands, or standard poker cards all work great) and extra sleeves to match their deck

I can see this getting some play, though it would be so much better with a four-mana wrath effect to play the turn before playing this

If you're concerned with the validity of a card, this is the most accurate way to tell