Abdel Adrian, Gorion's Ward, Changeling Berserker, and Changeling Titan

Prerequisites

• Abdel Adrian, Gorion's Ward in hand or on the battlefield or in exile
• Changeling Berserker in hand or on the battlefield or in exile
• Changeling Titan in hand or on the battlefield or in exile
• plus the mana cost of the creature in your hand available

Steps

1. Cast Abdel Adrian for its mana cost
2. When Abdel Adrian enters, it exiles Changeling Berserker until Abdel Adrian leaves the battlefield
3. Resolve any additional effects of Abdel Adrian's ETB
4. When Changeling Berserker leaves the battlefield, Changeling Titan is returned from exile to the battlefield
5. When Changeling Titan enters, it exiles Abdel Adrian until Changeling Titan leaves the battlefield
6. Resolve any additional effects of Changeling Titan's ETB
7. When Abdel Adrian leaves the battlefield, Changeling Berserker is returned from exile to the battlefield
8. When Changeling Berserker enters, it exiles Changeling Titan until Changeling Berserker leaves the battlefield
9. Resolve any additional effects of Changeling Berserker's ETB
10. When Changeling Titan leaves the battlefield, Abdel Adrian is returned from exile to the battlefield
11. Repeat from step 2

Results

• Infinite blinking of nonland permanents
• Infinite creature ETB
• Infinite creature LTB
• Infinite creature tokens