Basri's Lieutenant + Renata, Called to the Hunt + Altar of Dementia
Infinite death triggers, Infinite ETB, Infinite LTB, Infinite mill, Infinite sacrifice triggers
Activate Altar of Dementia by sacrificing a creature with at least one +1/+1 counter.
Basri's Lieutenant trigger, creating a 2/2 Knight token.
When Knight token enters the battlefield, Renata trigger, putting a +1/+1 counter on Knight token.
Resolve the Altar of Dementia ability, causing target player to mill cards equal to the sacrificed creature's power.
Repeat.
Component Cards
How It Works
Activate Altar of Dementia by sacrificing a creature with at least one +1/+1 counter.
Basri's Lieutenant trigger, creating a 2/2 Knight token.
When Knight token enters the battlefield, Renata trigger, putting a +1/+1 counter on Knight token.
Resolve the Altar of Dementia ability, causing target player to mill cards equal to the sacrificed creature's power.
Repeat.