Sporoloth Ancient + Fungal Bloom + Phyrexian Altar + Parallel Lives + Innkeeper's Talent

Sporoloth Ancient

Fungal Bloom

Phyrexian Altar

Parallel Lives

Innkeeper's Talent

How it works

1. Activate Fungal Bloom by paying , putting two spore counters on a Fungus you control.
2. Activate a Fungus by removing two spore counters from it, creating two 1/1 Saproling creature tokens.
3. Activate Phyrexian Altar twice by sacrificing two Saprolings, adding .
4. Repeat.

This charming growth engine lets you feed your own cycle of life and death, turning a simple patch of fungi into a boundless mana refinery. It all centers around Fungal Bloom and Sporoloth Ancient, which work together to rapidly stockpile spore counters—a process supercharged by Innkeeper's Talent doubling every counter that lands on your permanents. Once you start stripping those counters to spawn Saprolings, Parallel Lives steps in to double your token yields, giving you plenty of fodder to sacrifice to Phyrexian Altar for the green mana needed to keep the Bloom blossoming indefinitely.