Vorel of the Hull Clade + Intruder Alarm + Thallid Devourer

Vorel of the Hull Clade

Intruder Alarm

Thallid Devourer

How it works

1. Activate all mana-producing creatures you control by tapping them, adding at least .
2. Activate Vorel of the Hull Clade by paying and tapping it, doubling the number of counters on Thallid Devourer.
3. Activate Thallid Devourer's first ability by removing three spore counters from it, creating a 1/1 Saproling creature token.
4. When the Saproling enters the battlefield, Intruder Alarm triggers, untapping all creatures.
5. Repeat.
6. If creatures you control can tap to produce at least 1, this combo nets infinite mana and you may target any creature using Vorel of the Hull Clade.
7. This combo also nets infinite spore counters on Thallid Devourer if it has four or more spore counters to start the combo, and you may also optionally sacrifice the Saproling tokens to Thallid Devourer's ability.

This ingenious loop transforms the humble spore counter into an engine of endless growth, fueled entirely by the static mastery of Intruder Alarm. Every time Thallid Devourer sacrifices its accumulated mass to birth a 1/1 green Saproling creature token, Intruder Alarm sees the new arrival and springs every creature on your board back to an untapped state. This includes Vorel of the Hull Clade, which stands ready to double up the counters on your permanents, and any mana-producing creatures you control to pay for Vorel's activation. With enough counters already resting on Thallid Devourer to jump-start the cycle, Vorel multiplies them past the threshold needed to keep the Saproling production line humming infinitely.