Ramos, Dragon Engine, Agatha's Soul Cauldron, Deadeye Navigator, and Ambitious Dragonborn

Prerequisites

• Ramos, Dragon Engine in exile
• Agatha's Soul Cauldron on the battlefield
• Deadeye Navigator on the battlefield
• Ambitious Dragonborn on the battlefield
• available

Steps

1. Activate Ambitious Dragonborn by paying , blinking it
2. Ambitious Dragonborn enters with at least five +1/+1 counters due to its replacement effect
3. When Ambitious Dragonborn enters, Deadeye Navigator's soulbond ability triggers, repairing it and Ambitious Dragonborn
4. Activate Ambitious Dragonborn using Ramos's ability by removing five +1/+1 counters from it, adding
5. Repeat

Results

• Infinite ETB
• Infinite LTB
• Infinite blinking
• Infinite colored mana