Infinite ETB, Infinite mill, Infinite self-mill, Infinite creature tokens, Infinite untap of creatures, Infinite mana creatures you control can produce, Infinite untap of creatures you control
Activate Drowner of Secrets by tapping Stonybrook Schoolmaster.
Stonybrook Schoolmaster triggers, creating a 1/1 Merfolk Wizard creature token.
When the Merfolk Wizard enters the battlefield, Intruder Alarm triggers, untapping all creatures.
Resolve the Drowner of Secrets ability, causing a player to mill a card.
Repeat.
Component Cards
How It Works
Activate Drowner of Secrets by tapping Stonybrook Schoolmaster.
Stonybrook Schoolmaster triggers, creating a 1/1 Merfolk Wizard creature token.
When the Merfolk Wizard enters the battlefield, Intruder Alarm triggers, untapping all creatures.
Resolve the Drowner of Secrets ability, causing a player to mill a card.
Repeat.