I was supposed to read it for homework, but i don't have my book I found an online link to the site, but there is no way i can read that now. Its 10:30pm and i can only stay up for a little more. Can anyone give me a summary about the story please?
No, it wouldn't be impossible to kill. When Pentarch Ward comes into play, and you choose to enchant Ironfist Crusher, you must choose a single color for that creature to have protection from. If your opponent is running a mono-colored deck, this creature could be difficult to deal with, but not impossible. First, your opponent can still attack with creatures with evasion, such as flying, shadow, unblockable, and fear. He can also choose to destroy the enchantment, with something like Naturalize. The creature has protection from the color of your choice, but the enchantment can still be targeted, thus causing your creature to lose its protection at an inopportune moment. The Pentarch Ward also doesn't give your creature protection from artifacts or man-lands, such as Mutavault or Stalking Stones, even if their activation cost is the color it has protection from. Lastly, mass destruction spells like Damnation or Wrath of God will still kill the creature, even if it has protection from black or white. It will prevent damage however, so spells like Earthquake or Pyroclasm have no effect on it as long as the Pentach Ward is in place. This is also true for bounce spells. Your opponent cannot Boomerang your creature back to your hand if it has protection from blue, but it can bounce the enchantment back to your hand, causing the creature to lose protection, or by using spells that don't target like Evacuation to return the creature to your hand (in which case, you'll lose the echantment to the graveyard). That's not to say protection from a color isn't good, but it is much better if the creature itself has protection and it is not added through an enchantment.
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