For one red mana you can deal three damage to any target, making it the first burn spell many players think of first
Creatures don't even need to actually deal combat damage for Hopper's ability to trigger, they just need to have been declared as attackers letting you Maze of Ith or Labyrinth of Skophos a creature to get them out of harm's way but still get that clue
On top of that, color can be used in more creative ways when artists dont have to worry about capturing something in a more photorealistic light
With Paradigm Shift you are unlikely to have any graveyard that early in the game, and if you do, I suspect that you'll draw through them incredibly quickly, right
Your life lose triggers the commander as well, so Dismember has a lot of potential
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