Ashnod's Altar + Crystalline Crawler + Tekuthal, Inquiry Dominus + and 2 others

Mana needed: {3}{U}

UB identity

Commander legal

The 5 combo pieces

What must be in place

Crystalline Crawler has at least one +1/+1 counter on it.

How to execute it

  1. Activate Viral Drake by paying {3}{U}, putting two +1/+1 counters on Crystalline Crawler.
  2. Venser triggers, creating a legendary 3/3 The Hollow Sentinel artifact creature token.
  3. Activate Crystalline Crawler's first ability twice by removing two +1/+1 counters from it, adding {1}{U}.
  4. Activate Ashnod's Altar by sacrificing The Hollow Sentinel, adding {C}{C}.
  5. Repeat.

What the combo produces