Biomancer's Familiar + Gemhide Sliver + Leyline of Abundance + Scuttling Sliver

GU identity

Commander legal

The 4 combo pieces

What must be in place

You control a Sliver that does not have summoning sickness.

How to execute it

  1. Activate any Sliver by tapping it, adding one mana of any color.
  2. Leyline of Abundance triggers, adding {G}.
  3. Activate the tapped Sliver by paying {1}, untapping it.
  4. Repeat.
  5. Once you have a large amount of mana, you may use it to activate Leyline of Abundance, putting infinite +1/+1 counters on creatures you control.

What the combo produces