Intruder Alarm + Lesser Masticore + 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 Lesser Masticore, adding one mana of any color.
  2. Lesser Masticore dies, triggering its persist ability, returning it from your graveyard to the battlefield with a -1/-1 counter on it.
  3. Lesser Masticore 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 Lesser Masticore, 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