Spear Spewer + Dissipation Field + Runaway Steam-Kin + Yarus, Roar of the Old Gods

Spear Spewer

Dissipation Field

Runaway Steam-Kin

Yarus, Roar of the Old Gods

How it works

1. If Runaway Steam-Kin has three or more +1/+1 counters on it, activate it by removing three +1/+1 counters from it, adding .
2. Cast Spear Spewer by paying .
3. Runaway Steam-Kin triggers, putting a +1/+1 counter on it.
4. Activate Spear Spewer by tapping it, dealing 1 damage to each player.
5. Dissipation Field triggers, returning Spear Spewer from the battlefield to your hand.
6. Repeat.