Crystalline Crawler + Pemmin's Aura + Solitary Sanctuary + Vedalken Certarch

WU identity

Commander legal

The 4 combo pieces

• Crystalline Crawler
• Pemmin's Aura
• Solitary Sanctuary
• Vedalken Certarch

What must be in place

Vedalken Certarch does not have summoning sickness.
Pemmin's Aura attached to Vedalken Certarch.
You control at least three artifacts.
An opponent controls an untapped creature.

How to execute it

1. Activate Vedalken Certarch by tapping it, tapping a creature an opponent controls.
2. Solitary Sactuary triggers, putting a +1/+1 counter on Crystalline Crawler.
3. Activate Crystalline Crawler's first ability by removing a +1/+1 counter from it, adding {U}.
4. Activate Pemmin's Aura's first ability by paying {U}, untapping Vedalken Certarch.
5. Repeat.
6. You may also repeat this loop during each turn.

What the combo produces

• Tap all creatures opponents control during each turn