Felidar Guardian + Karmic Guide + Altar of Dementia
Altar of Dementia
Felidar Guardian in hand. All other permanents on the battlefield. available.
- Cast Felidar Guardian by paying
- Felidar Guardian's ability triggers, targeting Karmic Guide
- In response, activate Altar of Dementia by sacrificing Felidar Guardian, causing target player to mill a card
- Resolve Feldiar Guardian's trigger, blinking Karmic Guide
- Karmic Guide triggers, returning Felidar Guardian from your graveyard to the battlefield
- Repeat from step 2
Infinite ETB. Infinite LTB. Infinite sacrifice triggers. Infinite death triggers. Infinite mill. Infinite self-mill.