Intruder Alarm + Kithkin Spellduster + Phyrexian Altar + Scholar of New Horizons

WU identity

Commander legal

The 4 combo pieces

What must be in place

Scholar of New Horizons does not have summoning sickness.

How to execute it

  1. Activate Phyrexian Altar by sacrificing Kithkin Spellduster, adding one mana of any color.
  2. Kithkin Spellduster dies, triggering its persist ability, returning it from your graveyard to the battlefield with a -1/-1 counter on it.
  3. Kithkin Spellduster enters the battlefield, triggering Intruder Alarm, untapping all creatures.
  4. Activate Scholar of New Horizons by tapping it and removing the -1/-1 counter from Kithkin Spellduster, causing you to search your library for a Plains card and either put it onto the battlefield or put it into your hand.
  5. Repeat.

What the combo produces