Deadeye Navigator, Heartstone, Ixidron, Quasiduplicate, and Rattleclaw Mystic

Prerequisites

• Deadeye Navigator on the battlefield
• Heartstone on the battlefield
• Ixidron on the battlefield
• Quasiduplicate in hand
• Rattleclaw Mystic on the battlefield
• available

Steps

1. Cast Quasiduplicate by paying , creating a token copy of Deadeye Navigator
2. The Deadeye Navigator token enters the battlefield, triggering its soulbond ability, pairing it and Ixidron
3. Activate Ixidron by paying , blinking it
4. All other nontoken creatures you control are turned face-down as Ixidron enters the battlefield
5. Ixidron enters the battlefield, triggering the token Deadeye Navigator's soulbond ability, repairing Ixidron and the token Deadeye Navigator
6. Activate Rattleclaw Mystic's morph ability by paying , turning it face up
7. Rattleclaw Mystic triggers, adding
8. Repeat from step 3

Results

• Infinite ETB
• Infinite green mana
• Infinite LTB
• Infinite red mana