Martyrdom + Arcbond

Martyrdom

Arcbond

How it works

1. Cast Arcbond by paying 2, targeting the indestructible creature.
2. Cast Martyrdom by paying 1, targeting the indestructible creature.
3. Deal damage to the indestructible creature.
4. Arcbond triggers, holding priority, activate the indestructible creature an arbitrarily large number of times by paying 0, redirecting all damage done this turn to the indestructible creature.
5. Resolve the Arcbond trigger, dealing damage to the indestructible creature.
6. Repeat from step 4 an arbitrarily large number of times.
7. Activate the indestructible creature an arbitrarily large number of times by paying 0, redirecting all damage done to you and creatures you control to the indestructible creature.
8. Resolve the final Arcbond trigger, dealing infinite damage to all opponent and all creatures your opponent control.