The primary difference is that the black enchantment also gives you lifegain and can give you tokens if you blight 1 when it enters
However, note that Lich won't kill you if it is bounced or something - the current Oracle is, "When Lich is put into a graveyard from the battlefield, you lose the game." But you'd still be a zero life, so you'd lose for that reason, unless you could find a way to gain some life at the same time
Toxic is a new mechanic from Phyrexia: All Will Be One
Shire Terrace - Its a strict upgrade on Warped Landscape, Terminal Moraine, and the Panoramas
Summon: Valefor You need multi-target removal in Commander to deal with three opponents worth of threats
Card Set(s) -TWO LEGENDS- [OP-08] CARD VIEW OP08-008 | R | CHARACTER Dalton Attribute Slash Block icon 2 Effect [On Play] Give up to 1 of your opponent's Characters 1000 power during this turn