Skittering Precursor + Sword of the Meek + Raiders' Spoils + Phantom Train

Skittering Precursor

Sword of the Meek

Raiders' Spoils

Phantom Train

How it works

1. Activate Phantom Train by sacrificing Sword of the Meek.
2. Skittering Precursor triggers, creating a 0/1 Eldrazi Spawn creature token.
3. When the Eldrazi Spawn enters the battlefield as a 1/1 due to Raiders' Spoils, Sword of the Meek triggers, returning Sword of the Meek from your graveyard to the battlefield attached to the Eldrazi Spawn.
4. Resolve the Phantom Train ability
5. Repeat.

This clever loop turns Phantom Train into an endless engine by feeding it Sword of the Meek as a sacrifice. Each time the Sword hits the graveyard, Skittering Precursor catches the sacrifice and produces a 0/1 Eldrazi Spawn token to keep the material flowing. Thanks to Raiders' Spoils pumping your creatures, that tiny spawn enters as a 1/1, which immediately triggers Sword of the Meek to leap out of the graveyard and attach itself right back to the token. You can repeat this process indefinitely to grow Phantom Train with endless +1/+1 counters while generating infinite colorless mana, sacrifice triggers, and death effects!