Stalwart Successor + Kitchen Finks + Phantom Train

Stalwart Successor

Kitchen Finks

Phantom Train

How it works

1. Activate Phantom Train by sacrificing Kitchen Finks
2. When Kitchen Finks dies, its persist ability triggers, returning it from your graveyard to the battlefield with a -1/-1 counter on it.
3. When Kitchen Finks enters, it and Stalwart Successor trigger.
4. Resolve the Kitchen Finks trigger, causing you to gain 2 life.
5. Resolve the Stalwart Successor trigger, putting a +1/+1 counter on Kitchen Finks
6. Resolve the Phantom Train ability.
7. Repeat.