Basri's Lieutenant + Grumgully, the Generous + Carrion Feeder

Basri's Lieutenant

Grumgully, the Generous

Carrion Feeder

How it works

1. Activate Carrion Feeder by sacrificing a creature with at least one +1/+1 counter, Carrion Feeder gets +1/+1 until end of turn.
2. Basri's Lieutenant trigger, creating a 2/2 Knight token.
3. When Knight token enters the battlefield, Grumgully triggers, putting a +1/+1 counter on Knight token.
4. Resolve the Goblin Bombardment ability by dealing 1 damage to any target.
5. Repeat.