Elemental Mastery, Battered Golem, and Prosperous Partnership

Prerequisites

• Elemental Mastery on the battlefield
• Battered Golem on the battlefield
• Prosperous Partnership on the battlefield
• Elemental Mastery attached to Battered Golem
• Battered Golem does not have summoning sickness

Steps

1. Activate Battered Golem by tapping it, creating three 1/1 Elemental creature tokens with haste
2. Activate Prosperous Partnership by tapping the Elementals, creating a Treasure token
3. When the Treasure enters the battlefield, Battered Golem triggers, untapping itself
4. Repeat

Results

• Infinite colored mana
• Infinite ETB
• Infinite LTB
• Infinite tapped creature tokens
• Infinite Treasure tokens