Changeling Hero + Karmic Guide + Ashnod's Altar

Prerequisites

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Steps

1. 1Cast Changeling Hero by paying .
2. 2Changeling Hero enters the battlefield, championing Karmic Guide.
3. 3Activate Ashnod's Altar by sacrificing Changeling Hero, adding .
4. 4Changeling Hero dies, causing Karmic Guide to return to the battlefield from exile.
5. 5Karmic Guide enters the battlefield, returning Changeling Hero from your graveyard to the battlefield.
6. 6Repeat from step 2.

Effects

• Infinite colorless mana
• Infinite creature ETB
• Infinite creature LTB
• Infinite creature sacrifice triggers
• Infinite death triggers