Sanctum Weaver, and Seedcradle Witch

Prerequisites

• Sanctum Weaver on the battlefield
• Seedcradle Witch on the battlefield
• available

Steps

1. Activate Sanctum Weaver by tapping it, adding at least or
2. Activate Seedcradle Witch by paying , untapping Sanctum Weaver and giving it +3/+3 until end of turn
3. Repeat

Results

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