Beacon of Tomorrows + Gisa and Geralf + Sidisi, Undead Vizier

Mana needed: {9}{U}{U}{B}{B} each turn

UB identity

Commander legal

The 3 combo pieces

What must be in place

You have not cast a creature spell using Gisa and Geralf this turn.

How to execute it

  1. Cast Sidisi from your graveyard by paying {3}{B}{B}.
  2. When Sidisi enters the battlefield, its exploit ability triggers, causing you to sacrifice Sidisi.
  3. Sidisi's second ability triggers, causing you to search your library for Beacon of Tomorrows and put it into your hand.
  4. Cast Beacon of Tomorrows by paying {6}{U}{U}, causing you to take an extra turn after this one and shuffle Beacon of Tomorrows into your library.
  5. Repeat each turn.

What the combo produces