I've noticed this site thinks that some cards from the archenemy are modern legal

TappedOut forum

Posted on March 11, 2016, 4:40 a.m. by Atanar

What's the deal with cards such as Kamahl, Fist of Krosa?

pskinn01 says... #2

The legality of cards on this site is buggy. Do not use this site for what is legal in formats - use the official site for each format (with modern that would be the wizards site).

March 11, 2016 6:58 a.m.

yeaGO says... #3

these should be fixed in a few hours.

March 11, 2016 11 a.m.