Toph, the First Metalbender + Haru, Hidden Talent + Altar of Dementia + Three Tree Mascot

Toph, the First Metalbender

Haru, Hidden Talent

Altar of Dementia

Three Tree Mascot

How it works

1. Cast Three Tree Mascot by paying 2.
2. When Three Tree Mascot enters, Haru triggers, targeting Three Tree Mascot as it is a land due to Toph.
3. Activate Altar of Dementia by sacrificing Three Tree Mascot.
4. When Three Tree Mascot dies, Haru triggers, returning Three Tree Mascot from your graveyard to the battlefield tapped.
5. When Three Tree Mascot enters, Haru triggers, targeting Three Tree Mascot as it is a land due to Toph.
6. Resolve the Altar of Dementia ability.
7. Repeat from step 3.