Najeela, the Blade-Blossom, Jegantha, the Wellspring, and Sandstone Bridge

Prerequisites

• Najeela, the Blade-Blossom on the battlefield
• Jegantha, the Wellspring on the battlefield
• Sandstone Bridge in hand
• Najeela does not have summoning sickness
• Opponents can not block and kill creatures you control

Steps

1. Play Sandstone Bridge
2. When Sandstone Bridge enters the battlefield, it triggers, giving Jegantha +1/+1 and vigilance until end of turn
3. Move to your combat phase, and declare Najeela and Jegantha as attackers
4. Najeela triggers, creating a 1/1 Warrior creature token that is tapped and attacking
5. Activate Jegantha by tapping it, adding that cannot be spent to pay generic mana costs
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 each combat phase

Results

• Infinite combat phases
• Infinite creature tokens
• Infinite ETB
• Infinite lifegain
• Infinite lifegain triggers