Felidar Guardian + Reveillark + Altar of Dementia

Felidar Guardian

Reveillark

Altar of Dementia

How it works

1. Cast Felidar Guardian by paying 3.
2. When Felidar Guardian enters the battlefield, it triggers, targeting Reveillark.
3. Holding priority, activate Altar of Dementia by sacrificing Felidar Guardian.
4. Resolve the Felidar Guardian trigger, blinking Reveillark.
5. When Reveillark leaves the battlefield, it triggers, returning Felidar Guardian and up to one other creature with power 2 or less from your graveyard to the battlefield.
6. Repeat from step 2.