Command Beacon, Food Chain, and Titania, Protector of Argoth

Prerequisites

• Command Beacon on the battlefield
• Food Chain on the battlefield
• Titania, Protector of Argoth on the battlefield

Steps

1. Activate Command Beacon's second ability by tapping and sacrificing it
2. Titania's second ability triggers, creating a 5/3 Elemental creature token
3. Activate Food Chain by exiling Titania, adding six that can only be spent to cast creature spells
4. Choose to have Titania put into the command zone from your graveyard
5. Resolve the Command Beacon ability from step 1, putting Titania from the command zone into your hand
6. Cast Titania by paying
7. Titania enters the battlefield, returning Command Beacon from your graveyard to the battlefield
8. Repeat

Results

• Infinite colored mana that can only be spent to cast creature spells
• Infinite ETB
• Infinite landfall triggers
• Infinite LTB
• Infinite storm count