Ramos, Dragon Engine, Agatha's Soul Cauldron, Deadeye Navigator, and Realm Seekers

Prerequisites

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

Steps

1. Activate Realm Seekers by paying , blinking it
2. Realm Seekers enters with at least five +1/+1 counters due to its replacement effect
3. When Realm Seekers enters, Deadeye Navigator's soulbond ability triggers, repairing it and Realm Seekers
4. Activate Realm Seekers 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