Trazyn the Infinite, Umbral Mantle, and Timeless Lotus

Prerequisites

• Trazyn the Infinite on the battlefield
• Umbral Mantle on the battlefield
• Timeless Lotus in the graveyard

Steps

1. Activate Trazyn using Timeless Lotus's ability by tapping it, adding
2. Activate Trazyn by paying and untapping it, giving it +2/+2 until end of turn
3. Repeat

Results

• Infinite colored mana
• Infinite untap of creatures you control
• Infinite mana creatures you control can produce
• Infinitely large creature until end of turn