Bladewing the Risen + Changeling Berserker + Phyrexian Altar

Prerequisites

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Steps

1. 1Cast Bladewing either from your hand or from the command zone by paying and commander tax, if applicable.
2. 2Bladewing enters the battlefield, returning Changeling Berserker from your graveyard to the battlefield.
3. 3Changeling Berserker enters the battlefield, championing Bladewing.
4. 4Activate Phyrexian Altar by sacrificing Changeling Berserker, adding one mana of any color.
5. 5Changeling Berserker leaves the battlefield, returning Bladewing from exile to the battlefield.
6. 6Repeat from step 2.

Effects

• Infinite colored mana
• Infinite creature ETB
• Infinite creature LTB
• Infinite creature sacrifice triggers
• Infinite death triggers
• Infinite power and toughness for certain creatures until end of turn