Magmatic Galleon + Mayhem Devil

Magmatic Galleon

Mayhem Devil

How it works

1. Give an opponent's creature indestructible, if needed.
2. Activate a Treasure token by sacrificing it, adding one mana of any color.
3. Mayhem Devil triggers, dealing 1 damage to the indestructible creature.
4. If the creature has less than 0 toughness, Magmatic Galleon's second ability triggers, creating a Treasure artifact token.
5. Repeat from step 2.