Rootha, Mercurial Artist, Brass's Bounty, and Emergence Zone

Prerequisites

• Rootha, Mercurial Artist on the battlefield
• Brass's Bounty in hand
• Emergence Zone on the battlefield
• You control at least six lands
• available

Steps

1. Activate Emergence Zone by paying , tapping and sacrificing it, allowing you to cast spells this turn as though they had flash
2. Cast Brass's Bounty by paying
3. Holding priority, activate Rootha by paying and returning it to your hand, copying Brass's Bounty
4. Resolve the Brass's Bounty copy, creating at least six Treasure tokens
5. Activate five Treasure tokens by tapping and sacrificing them, adding
6. Cast Rootha by paying
7. Repeat from step 3

Results

• Infinite colored mana
• Infinite ETB
• Infinite LTB
• Infinite magecraft triggers
• Infinite storm count
• Infinite Treasure tokens