Mirrorwing Dragon + Jeskai Charm + Ephemeral Shields + Arcbond

Prerequisites

• an additional creature on the battlefield.

Steps

1. 1Before damage cast Ephemeral Shields, targeting any creature.
2. 2Mirrorwing Dragon's ability triggers, copying Shields to the other creatures and giving each indestructible until the end of turn.
3. 3Cast Jeskai Charm, choosing the mode to give your creatures lifelink until the end of turn.
4. 4Cast Arcbond, targeting one of the creatures.
5. 5Mirrorwing Dragon's ability triggers, copying Arcbond onto the other creatures.
6. 6Once a creature takes damage, the ability given by Arcbond triggers, reflecting the damage onto all players and all other creatures.
7. 7Because of lifelink, you gain life while all other players lose life.
8. 8As the ability deals damage to the other creatures you control, their Arcbond abilities trigger in response, doing the same.

Effects

• Infinite damage