Wall of Lost Thoughts | 59 | Ravnica Allegiance

Set: Ravnica Allegiance
Rarity: U
#: 59
Creature Type or Sub Type: Creature — Wall
Rules Text Contains: Defender
When Wall of Lost Thoughts enters the battlefield, target player puts the top four cards of their library into their graveyard.
Flavor: Those who intrude upon the Dimir seldom remember that they have done so.