Ember Island Production, and Terra, Magical Adept // Esper Terra

Prerequisites

• Ember Island Production in hand
• Terra, Magical Adept // Esper Terra on the battlefield
• available

Steps

1. Cast Ember Island Production by paying , creating a token copy of Esper Terra that isn't legendary and will enter with a lore counter on it
2. When the Esper Terra token enters the battlefield, its first chapter ability triggers, creating a token copy of itself with haste and four lore counters on it
3. When the Esper Terra token enters the battlefield, its first, second, third and fourth chapter abilities trigger
4. Resolve the first and second trigger, creating token copies of any nonlegendary enchantment you control
5. Resolve the fourth trigger, causing you to add and exile the Esper Terra token
6. Resolve the third trigger, creating a token copy of the Esper Terra token created in step 2 with haste and four lore counters on it
7. Repeat from step 3

Results

• Infinite ETB
• Infinite LTB
• Infinite colored mana
• Infinite creature copies of nonlegendary enchantments you control
• Infinite creature tokens with haste
• Infinite death triggers
• Infinite sacrifice triggers