Blaze Ball does a base damage of 50, but you can add another 20 for every Fire Energy attached to it
When you do manage to effectively curve out with this card and make use of the haste on a normal monster it tends to be a bonus damage or two which is certainly what your deck wants
It made it difficult for decks that wanted to specifically combat mono-red to attack it appropriately, since Nemesis would roadblock actual combat, or even lifegain strategies that should be good against it
Examples of card protectors found in Yu-Gi-Oh Master Duel
Every single set has, at the very least, a draft booster pack
Special Summon 1 Beast, Winged Beast, or Insect monster from your hand or Deck whose Level is less than or equal to the Level the Tributed monster had on the field +3