Walking Ballista + Unspeakable Symbol + The Rollercrusher Ride + Twinflame Tyrant

Walking Ballista

Unspeakable Symbol

The Rollercrusher Ride

Twinflame Tyrant

How it works

1. Give Walking Ballista lifelink, if needed.
2. If Walking Ballista has less than two +1/+1 counters on it, activate Unspeakable Symbol by paying 3 life, putting a +1/+1 counter on Walking Ballista.
3. Activate Walking Ballista's second ability by removing a +1/+1 counter from it, dealing 4 damage to an opponent or a permanent an opponent controls, and causing you to gain 4 life.
4. Repeat from step 2.

This loop turns a simple life investment into a devastating engine by tapping into powerful damage-doubling effects. With Twinflame Tyrant or the delirium-enabled bonus of The Rollercrusher Ride in play, the 1 damage dealt by removing a counter from Walking Ballista is instantly doubled to 2—and with *both* damage doublers active, that single removal scales up to 4 damage. That increased damage provides enough life via lifelink to more than sustain Unspeakable Symbol, whose ability continuously feeds Walking Ballista the +1/+1 counters it needs to keep firing.