Isochron Scepter + Roar of the Kha + Sydri, Galvanic Genius

Mana needed: {U}

WUB identity

Commander legal

The 3 combo pieces

What must be in place

You control creatures that can tap to produce at least {3}.

How to execute it

  1. Activate Sydri's first ability by paying {U}, causing Isochron Scepter to become an artifact creature until end of turn.
  2. Activate creatures you control by tapping those, adding {3}.
  3. Activate Isochron Scepter by paying {2} and tapping it, casting a copy of Roar of the Kha without paying its mana cost, untapping all creatures.
  4. Repeat from step 2.

What the combo produces