Wall of Lost Thoughts [Jumpstart] Condition:Damaged When Keymaster Rogue enters the

When Keymaster Rogue enters the battlefield

Set: Planechase Planes Type: Plane — Kamigawa Common Cost: Whenever a player casts a spell

I see this forest and remember Llanowar

Set: Commander 2018 Type: Enchantment — Aura Common Cost: {2}{G} Enchant creature Enchanted creature gets +1/+1 and has "Whenever this creature deals damage to an opponent

When Owl Familiar enters the battlefield

Wall of Lost Thoughts [Jumpstart] Condition:Damaged When Keymaster Rogue enters theSet: Jumpstart Type: Creature Wall Cost: null Defender When Wall of Lost Thoughts enters the battlefield, target player mills four cards. (They put the top four cards of their library into their graveyard.) Those who intrude upon the Dimir seldom remember that they have done so.