Growth-Chamber Guardian + The Great Henge + The Cauldron of Eternity + Ashnod's Altar + Chromatic Orrery

Prerequisites

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Steps

1. 1Cast Growth-Chamber Guardian by paying .
2. 2Growth-Chamber Guardian enters the battlefield, triggering The Great Henge, putting a +1/+1 counter on Growth-Chamber Guardian and drawing you a card.
3. 3Growth-Chamber Guardian triggers, holding priority, activate Ashnod's Altar by sacrificing Growth-Chamber Guardian, adding .
4. 4Growth-Chamber Guardian dies, triggering The Caludron of Eternity, putting Growth-Chamber Guardian on the bottom of your library from your graveyard.
5. 5Resolve the Growth-Chamber Guardian trigger from step 3, searching your library for Growth-Chamber Guardian and putting it into your hand.
6. 6Repeat.

Effects

• Infinite card draw
• Infinite colored mana
• Infinite colorless mana
• Infinite creature ETB
• Infinite creature LTB
• Infinite creature sacrifice triggers
• Infinite storm count