I Gain control of up to one target artifact for as long as you control this Saga
Characters can only be Challenged after theyve been used to fetch Lore that round though, however, damage will linger
Countering a spell with coststorm won't affect the copies
If it's a permanent spell, the copy gains haste and "At the beginning of the end step, sacrifice this permanent." (A copy of a permanent spell becomes a token.) Whenever you cast a spell from exile, copy it
The problem is, it only affected Standard and dipped its toes in Historic
The idea is that by putting all the Grim Haruspex effects together, you should discover plenty of cards you werent aware of for your decks, especially considering singleton formats like EDH which benefit from redundancy