Jegantha, the Wellspring, Horde of Notions, Phyrexian Altar, and Mass Hysteria

Prerequisites

• Jegantha, the Wellspring on the battlefield
• Horde of Notions on the battlefield
• Phyrexian Altar on the battlefield
• Mass Hysteria on the battlefield

Steps

1. Activate Jegantha by tapping it, adding that cannot be spent to pay generic mana costs
2. Activate Phyrexian Altar by sacrificing Jegantha
3. Activate Horde of Notions by paying , causing you to cast Jegantha from your graveyard without paying its mana cost
4. Repeat

Results

• Infinite LTB
• Infinite ETB
• Infinite colored mana
• Infinite sacrifice triggers
• Infinite death triggers
• Infinite storm count