Corile is essentially a +2 card (kind of), as it provides a body, removes a creature from the field, and also stops you opponent from drawing a new card the next turn (since they have to draw the card that was bounced)
Sauron was become now a sorcerer of dreadful power, master of shadows and of phantoms, foul in wisdom, cruel in strength, misshaping what he touched, twisting what he ruled, lord of werewolves
Bloomburrow even gave rabbits a full wave of support cards, so this unassuming 2-drop apparently has more friends than you'd assume
Sephiroth falls more firmly into the "death and taxes" camp than he does card-draw, gaining +1/+1 every time an opponent-controlled creature dies
His climactic confrontation with Cloud Strife and his pivotal role in the fate of the planet cemented him as not only a defining figure within the Final Fantasy franchise, but across the entirety of gaming