The problem is that, in most decks, Harnessed Lightning kills four-toughness creatures at instant speed, and in black decks, Grasp of Darkness and even Fatal Push offer the same power, so it will take a pretty specific build (a deck that doesn't care about energy, doesn't want a Lightning Axe package, and isn't playing black) for a deck to really want Cut // Ribbons over the other available options
(If this creature isn't monstrous, put four +1/+1 counters on it and it becomes monstrous.) Once a creature becomes monstrous, it can't become monstrous again
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These dig deeper for cards, mill targets into our yard, or get that little extra mana, all while giving us ways to re-buy enter the battlefield effects and save our creatures from exile based removal