Major: how many cards players have access to
Focussing on sacrificing just about anyone and anything to achieve his goals, Sephiroth encourages you to keep sacrificing creatures to heal, deal damage, and draw, all to gain access to his incredibly powerful alternate form
If a land card is revealed this way, put it onto the battlefield tapped
Menace is strong because it's not impossible for that ability to be tantamount to unblockable in an environment filled with Mutate, another ability that encourages going taller than wide
Then it gives you a one time use of Wake the Reflections, letting you copy any token you control
Roxanne, Starfall Savant is sort of like reverse Meria, since it only works with artifact tokens