Basri's Lieutenant + Odric's Outrider + Altar of Dementia

Prerequisites

• You control at least two additional creatures, at least one of which has a +1/+1 counter on it.

Steps

1. 1Activate Altar of Dementia by sacrificing a creature with a +1/+1 counter on it.
2. 2The creature dies, triggering Basri's Lieutenant and Odric's Outrider.
3. 3Resolve the Basri's Lieutenant trigger, creating a 2/2 Knight creature token.
4. 4Resolve the Odric's Outrider trigger, putting a +1/+1 counter on another creature you control.
5. 5Resolve the Altar of Dementia ability from step 1, causing target player to mill cards equal to the sacrificed creature's power.
6. 6Repeat.

Effects

• Infinite creature ETB
• Infinite creature LTB
• Infinite creature sacrifice triggers
• Infinite death triggers
• Infinite mill
• Infinite self-mill