Volvo, Harbinger of Wrexx

Trample, Haste, Flash

Pileup - All Vehicles gain "When this permanent is tapped, is attacking, or blocks another Vehicle, sacrifice it." until Volvo, Harbinger of Wrexx leaves the battlefield.

Whenever a Vehicle is destroyed, create a "Pileup" token. Add a +1/+1 counter to each Pileup token you own on the battlefield.