Ultimately, I'm not super impressed by the Red cards in the set yet, because a lot of them seem to rely on equipment
He appeared early in Magic lore but didn't get his own card until Modern Horizons , alongside other legends like Urza
If you use a replacement effect which doesn't actually draw a card, you suffer no ill effects
Just remember that whichever mode you choose to cast becomes the mana value of the card on the stack and on the battlefield, unlike other, similar built-in cost reduction mechanics like Suspend or Miracle, s o a commander like Yuriko, the Tigers Shadow very much likes Prototype cards, while Vial Smasher the Fierce does not
In other news, Valduk, Keeper of the Flame players found their favorite new card