Collectible Card Game Headquarters

Describe the Bug:
Yisan, the Wanderer Bard can fetch creatures with converted mana cost less than or equal to the number of verse counters on Yisan.

Which card did behave improperly ?
Yisan, the Wanderer Bard

Which update are you using?(date,name)Which type(Duel,Gauntlet,Sealed Deck)
CoRM15, duel

What exactly should be the correct behavior/interaction ?
Yisan, the Wanderer Bard can only fetch creatures with converted mana cost equal to the number of verse counters on Yisan.

Are any other cards possibly affected by this bug ?
-

Fixed in fffd8f9

Regardless of cmc creature chosen isn't put on bf.

Fixed in a529879