Anti-Venom, Horrifying Healer + Cloudstone Curio + Palinchron + Phantom Train

Anti-Venom, Horrifying Healer

Cloudstone Curio

Palinchron

Phantom Train

How it works

1. Activate up to seven lands by tapping them, adding at least .
2. Cast Anti-Venom by paying .
3. When Anti-Venom enters, its first ability and Cloudstone Curio trigger.
4. Resolve the Cloudstone Curio trigger, returning nothing to your hand.
5. Resolve the Anti-Venom trigger, returning Palinchron from your graveyard to the battlefield.
6. When Palinchron enters, it and Cloudstone Curio trigger.
7. Resolve the Palinchron trigger, untapping up to seven lands.
8. Resolve the Cloudstone Curio trigger, returning Anti-Venom from the battlefield to your hand.
9. Activate Phantom Train by sacrificing Palinchron.
10. Repeat.

This loop is a masterclass in recycling triggers, built around the self-contained mana engine of Palinchron and its ability to continually untap your lands when it enters the battlefield. By casting Anti-Venom from your hand, its entry trigger snags Palinchron right back out of the graveyard, which in turn lets Cloudstone Curio bounce Anti-Venom safely back to your hand to be recast. Meanwhile, Phantom Train sits in play ready to convert your creatures into fuel by sacrificing Palinchron when needed, while Anti-Venom's passive damage-prevention ability even converts stray damage into +1/+1 counters if you want to pivot the loop into brute force.