Terra, Magical Adept // Esper Terra, Barbara Wright, and Obsidian Battle-Axe

Prerequisites

• Terra, Magical Adept // Esper Terra on the battlefield
• Barbara Wright on the battlefield
• Obsidian Battle-Axe on the battlefield
• available

Steps

1. Activate Terra, Magical Adept by paying and tapping it, causing you to exile it and return it to the battlefield as Esper Terra
2. As Esper Terra enters the battlefield, choose to have it enter with four lore counters due to its read-ahead ability
3. Esper Terra's fourth chapter ability triggers, causing you to add , and then exile Esper Terra and return it to the battlefield as Terra, Magical Adept
4. When Terra, Magical Adept enters the battlefield, it and Obsidan Battle-Axe trigger
5. Resolve the Terra trigger, causing you to mill five cards and put up to one enchantment card milled this way into your hand
6. Resolve the Obsidian Battle-Axe trigger, attaching it to Terra
7. Repeat

Results

• Infinite LTB
• Infinite ETB
• Infinite colored mana
• Infinite self-mill