Card attachment fixes
Card attachment fixes

This is a fix for every card that uses .summon() directly (spells).
* Mirror Image
* I Am Murloc
* Poison Seeds
* Many others...

danielyule/hearthbreaker,Ragowit/hearthbreaker,noa/hearthbreaker,jirenz/CS229_Project,kingoflolz/hearthbreaker,slaymaker1907/hearthbreaker,slaymaker1907/hearthbreaker