Intruder Alarm + Fungal Bloom + Sporoloth Ancient + Earthcraft
Intruder Alarm
Fungal Bloom
Sporoloth Ancient
Earthcraft
Infinite creature ETBInfinite creature tokensInfinite green manaInfinite untap of creaturesInfinite mana creatures you control can produceInfinite mana basic lands you control can produceInfinite untap of basic lands you control
How it works
Activate a basic Forest by tapping it, adding .
Activate Earthcraft by tapping a creature, untapping the Forest.
Repeat from step 1 three additional times.
Activate Fungal Bloom by paying , putting two spore counters on a Fungus you control.
Activate a Fungus by removing two spore counters from it, creating a 1/1 Saproling creature token.
When the Saproling enters the battlefield, Intruder Alarm triggers, untapping all creatures.