how to tell if mtg card is fake Identifying Counterfeits I made this simple visual

You can read all about it in Collecting Magic: The Gathering Doctor Who

While the costs of Vendetta and Snuff Out are less painful together than either with Ulcerate the fact that they both have the same non-black target restriction (which is already the most common in black removal) is a mild concern

But allowing spells to be copied for the low price of one mana plus tapping inevitably leads to thoughts of combo, especially given how many cheap instants and sorceries can untap your creature

This means that the value of X may be different than you had hoped when attackers were declared if attacking creatures have left the battlefield or their power has changed