Wall of Lost Thoughts
Creature — Wall
Defender (This creature can't attack.)
When this creature enters, target player mills four cards. (They put the top four cards of their library into their graveyard.)0/4
Printings & Conditions (3)
Foundations Jumpstart (J25)(Foundations Jumpstart)#384Uncommon
Jumpstart (JMP)(Jumpstart)#190Uncommon
Ravnica Allegiance (RNA)(Ravnica Allegiance)#59Uncommon