Then they introduced duplicate protection
Disappear A returning mechanic retooled to fit the TMNT vibe, Disappear is effectively Revolt, which checks to see if you had a permanent that left the battlefield this turn
If you can protect the Enchanter long enough to get at least one attack in, you can do busted things, like assemble the combo of Phyrexian UnlifePhyrexian Unlife and SolemnitySolemnity over three turns (casting Zur and attacking twice): Even without putting together a combo, Zur can fetch up Stax-style enchanties like Mystic RemoraMystic Remora, PropagandaPropaganda, Ghostly PrisonGhostly Prison, Blind ObedienceBlind Obedience, and many more
With the Tyranid deck revealed, we're now awaiting the Ruinous Powers deck, and then the Necrons and the Forces of the Imperium
Comeuppance: B Four-mana for a fog isnt great
Zilortha makes your creatures calculate lethal damage based on their power rather than their toughness