If there is a keyword or an ability word or even a word used in the title of multiple cards using this ability, then we (being Wizards) have done our job to help name this ability
Creating two game objects for sacrifice decks
This full guide went over destroy effects for black enchantment removal, forcing opponents to sacrifice enchantments, discard effects, searching and removing enchantments from opponents decks, and using mutual tutor cards to politic for enchantment removal
Others make you wonder if the artwork was rushed or if someone was experimenting with a completely different artistic vision
There are tons of cards that accomplish this sort of effect, and all of them will trigger Paradox
Rowan, Scion of War Keep hitting yourself Rowan, Scion of War is a three-mana Black and Red 4/2 with menace, which means it can only be blocked by two or more creatures