Mine Is the Only Truth Ongoing Scheme (An ongoing scheme remains face up until it's abandoned.) Whenever a player casts a spell, you draw a card
Sephiroth on the other hand plays into the usual control strategies favored by Blue/Black by growing in strength for every opposing creature you remove from play
Since people have been playing Magic: the Gathering (MTG) for years, and its a game that has had a consistent player base for a very long time with little sign of slowing down, its little wonder savvy investors have been making money off of it for decades
Can be used proactively, reactively, just...actively
Consistency of the magic the gathering card back matters in competitive play because mixed backs would reveal information during shuffling
Chandra's Ignition One of the fun things about doing a design based upon a story is that you get to have cool moments where the mechanics used in a game can actually reflect the story