Lathliss, Dragon Queen + Bladewing's Thrall + Umbral Collar Zealot + Maskwood Nexus

Lathliss, Dragon Queen

Bladewing's Thrall

Umbral Collar Zealot

Maskwood Nexus

How it works

1. Cast Bladewing's Thrall by paying 2.
2. When Bladewing's Thrall enters the battlefield, Lathliss triggers.
3. Holding priority, activate Umbral Collar Zealot by sacrificing Bladewing's Thrall.
4. Resolve the Lathliss trigger, creating a 5/5 Dragon creature token.
5. When the Dragon enters the battlefield, Bladewing's Thrall triggers, returning itself from your graveyard to the battlefield.
6. Repeat from step 2.

This clever loop turns Lathliss, Dragon Queen into an endless manufacturing plant by exploiting Maskwood Nexus, which ensures every creature you control and own counts as a Dragon. Whenever Bladewing's Thrall enters the battlefield under this all-encompassing type change, it simultaneously triggers Lathliss's ability to spawn a 5/5 Dragon token and its own ability to return from the graveyard. By sacrificing the Thrall to Umbral Collar Zealot's ability in response, you effortlessly set up the next recursion while feeding the graveyard, allowing you to cycle the Thrall infinitely for endless death and entry triggers.