Talk:Fraying Sanity/@comment-2003:C1:4F24:A071:4DB1:CD0A:77FE:B8B-20181008183608/@comment-24832379-20181009175649

Arena has the same (Standard) rotation system as paper Magic. With the open beta/Guilds of Ravnica update all cards from Kaladesh, Aether Revolt, Welcome Deck 2017, Amonkhet and Hour of Devastation (which this card is part of) rotated out.