Chromatic Orrery + Halo Fountain + Sydri, Galvanic Genius

Mana needed: {U}{U}

WUB identity

Commander legal

The 3 combo pieces

What must be in place

Halo Fountain and Chromatic Orrery do not have summoning sickness.

How to execute it

  1. Activate Sydri's first ability by paying {U}, causing Halo Foutain to become a creature.
  2. Activate Sydri's first ability by paying {U}, causing Chromatic Orrery to become a creature.
  3. Activate Chromatic Orrery's first ability by tapping it, adding {C}{C}{C}{C}{C}.
  4. Activate Halo Fountain's second ability by paying {W}{W} and tap, untapping Chromatic Orrery and itself.
  5. Repeat from step 3.

What the combo produces