Najeela, the Blade-Blossom, and Selvala, Heart of the Wilds

Prerequisites

• Najeela, the Blade-Blossom on the battlefield
• Selvala, Heart of the Wilds on the battlefield
• undefined available

Steps

1. Declare Selvala as an attacker
2. Holding priority, activate Selvala by paying and tapping it, adding at least
3. Activate Najeela by paying , untapping all attacking creatures, giving them trample, lifelink and haste, and gaining an additional combat phase after this one
4. Repeat from step 2

Results

• Infinite colored mana
• Infinite combat phases