Grand Architect + The Watcher in the Water + Unctus, Grand Metatect

U identity

Commander legal

The 3 combo pieces

What must be in place

It is an opponent's turn.

How to execute it

  1. During an opponent's turn, activate Grand Architect by tapping a blue creature you control except Unctus, adding {C}{C} that can only be spent to cast artifact spells or to activate abilities of artifacts.
  2. The creature triggers, causing you to loot.
  3. The Watcher's first ability triggers, creating a 1/1 Tentacle creature token.
  4. Repeat.

What the combo produces