Infinite LTB, Infinite ETB, Infinite sacrifice triggers, Infinite death triggers, Infinite mill, Infinite self-mill, Infinite tapped creature tokens
Cast the Vehicle by paying its mana cost.
When the Vehicle enters the battlefield, Simulacrum Synthesizer triggers, creating a 0/0 Construct artifact creature token that gets +1/+1 for each artifact you control.
Activate the Vehicle's crew ability by tapping the Construct, causing the Vehicle to become an artifact creature until end of turn.
Activate Altar of Dementia by sacrificing the Vehicle.
When the Vehicle dies, Valkyrie's Call triggers, returning the Vehicle from your graveyard to the bat
Component Cards
How It Works
Cast the Vehicle by paying its mana cost.
When the Vehicle enters the battlefield, Simulacrum Synthesizer triggers, creating a 0/0 Construct artifact creature token that gets +1/+1 for each artifact you control.
Activate the Vehicle's crew ability by tapping the Construct, causing the Vehicle to become an artifact creature until end of turn.
Activate Altar of Dementia by sacrificing the Vehicle.
When the Vehicle dies, Valkyrie's Call triggers, returning the Vehicle from your graveyard to the battlefield
It will not be an Angel because the Vehicle is no longer a creature and cannot gain creature types.
When the Vehicle enters the battlefield, Simulacrum Synthesizer triggers, creating a 0/0 Construct artifact creature token that gets +1/+1 for each artifact you control.
Resolve the Altar of Dementia ability.
Repeat from step 3.