Intruder Alarm, Fungal Bloom, Sporoloth Ancient, and Earthcraft

Prerequisites

• Intruder Alarm on the battlefield
• Fungal Bloom on the battlefield
• Sporoloth Ancient on the battlefield
• Earthcraft in hand
• You control a basic Forest
• You control at least four creatures

Steps

1. Activate a basic Forest by tapping it, adding
2. Activate Earthcraft by tapping a creature, untapping the Forest
3. Repeat from step 1 three additional times
4. Activate Fungal Bloom by paying , putting two spore counters on a Fungus you control
5. Activate a Fungus by removing two spore counters from it, creating a 1/1 Saproling creature token
6. When the Saproling enters the battlefield, Intruder Alarm triggers, untapping all creatures
7. Repeat

Results

• Infinite ETB
• Infinite creature tokens
• Infinite green mana
• Infinite untap of all creatures
• Infinite mana creatures you control can produce
• Infinite mana basic lands you control can produce
• Infinite untap of basic lands you control
• Infinite spore counters on Fungi you control