Phylath, World Sculptor + Fertilid + Crystalline Crawler + Ancient Greenwarden + Maskwood Nexus

Phylath, World Sculptor

Fertilid

Crystalline Crawler

Ancient Greenwarden

Maskwood Nexus

How it works

1. Activate Fertilid by paying 1 and removing a +1/+1 counter from it, causing you to search your library for a basic land card and put it onto the battlefield tapped.
2. When the land enters the battlefield, Phylath's second ability triggers twice, putting four +1/+1 counters on Fertilid and Crystalline Crawler.
3. Activate Crystalline Crawler's first ability twice by removing two +1/+1 counters from it, adding 1.
4. Repeat.

This ingenious loop transforms basic land search into an engine by turning every piece into a dual-purpose resource. With Maskwood Nexus granting all your creatures every creature type, Fertilid is counted as a Plant, allowing Phylath, World Sculptor to shower it with massive waves of +1/+1 counters whenever a land enters. Ancient Greenwarden doubles those landfall triggers to keep the counter supply flowing endlessly, while Crystalline Crawler acts as both a counter sponge and a mana battery that funds Fertilid's activation cost. The end result is a majestic cascade that empties your entire library of its basic lands directly onto the battlefield.