Phyrexian Altar + Reassembling Skeleton + Teval, the Balanced Scale

Phyrexian Altar

Reassembling Skeleton

Teval, the Balanced Scale

How it works

1. Activate Phyrexian Altar by sacrificing Reassembling Skeleton, adding .
2. Activate Reassembling Skeleton by paying 1, returning it from your graveyard to the battlefield.
3. Teval triggers, creating a creature token.
4. Activate Phyrexian Altar by sacrificing the creature tokens, adding 1.
5. Repeat.

This cunning graveyard loop turns the humble act of skeletal recursion into a self-sustaining engine. You feed Reassembling Skeleton to Phyrexian Altar to generate the black mana needed to bring the skeleton right back to the battlefield. Meanwhile, Teval, the Balanced Scale watches over your graveyard with a keen eye; every time a card leaves your yard to return to the battlefield, Teval rewards your recycling efforts by spawning a 2/2 black Zombie Druid. You can then feed those newly minted druids right back into Phyrexian Altar to harvest the leftover mana required to keep the perpetual motion machine spinning.