Rootha, Mercurial Artist, Mana Echoes, and Through the Breach

Prerequisites

• Rootha, Mercurial Artist on the battlefield
• Mana Echoes on the battlefield
• Through the Breach in hand
• You control at least one other Orc and/or Shaman
• available

Steps

1. Cast Through the Breach by paying
2. Holding priority, activate Rootha by paying and returning it to your hand, copying Through the Breach
3. Resolve the copy of Through the Breach, putting Rootha from your hand onto the battlefield
4. Rootha enters the battlefield, triggering Mana Echoes, adding at least
5. Repeat from step 2
6. If you control two other Orcs and/or Shamans, this combo nets infinite colorless mana

Results

• Infinite colorless mana
• Infinite ETB
• Infinite LTB
• Infinite magecraft triggers
• Infinite storm count