mtg portal cards Invasion Rare Planar #308 Illustrated by Vilhelmas Banys All Magic Riftstone Portal Judgment | Magic

The effect of this card is risky to use, but when everything goes right you can reap a huge reward by doubling most mana across the board, you can use high mana maneuvers like those seen in a Vial Smasher not-white four-color commander deck

In fact, if you play with friends who are all comfortable with each other as Magic players, you could ignore the whole bracket system altogether

Commander Philosophy - What Makes a Card a Game Changer

I guess when a player casts a card like Wheel of Fortune or Timetwister in Commander, only for you to cast Hullbreacher, deny each player seven cards, then make 21 Treasure tokens, it ends up being one-sided and not very fun