Najeela, the Blade-Blossom, Brudiclad, Telchor Engineer, and There and Back Again

Prerequisites

• Najeela, the Blade-Blossom on the battlefield
• Brudiclad, Telchor Engineer on the battlefield
• There and Back Again on the battlefield
• There and Back Again has exactly two lore counters on it

Steps

1. At the beginning of your precombat main phase, There and Back Again triggers, creating a legendary 6/6 Smaug creature token, and causing you to sacrifice There and Back Again
2. At the beginning of your combat phase, Brudiclad triggers, creating a 2/1 Phyrexian Myr artifact creature token, then causing all tokens you control to become copies of the Smaug token
3. Put all but one Smaug token into your graveyard due to the legend rule
4. When the Myr dies, it triggers, creating fourteen Treasure tokens
5. Activate five Treasures by tapping and sacrificing them, adding
6. Activate Najeela by paying , untapping all attacking creatures, giving them trample, lifelink and haste, and gaining an additional combat phase after this one
7. Repeat from step 2 each combat phase

Results

• Infinite colored mana
• Infinite combat phases
• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite Treasure tokens