Aluren + Barrin, Tolarian Archmage + Glasspool Mimic // Glasspool Shore + Mirror Box

Aluren

Barrin, Tolarian Archmage

Glasspool Mimic // Glasspool Shore

Mirror Box

How it works

1. Cast Glasspool Mimic by paying 0, choosing to have it enter the battlefield as a copy of Barrin.
2. When Glasspool Mimic enters the battlefield, its first ability triggers, returning Barrin from the battlefield to your hand.
3. Cast Barrin by paying 0.
4. When Barrin enters the battlefield, its first ability triggers, returning Glasspool Mimic from the battlefield to your hand.
5. Repeat.