Mikaeus, the Unhallowed + Resourceful Defense + Dockside Extortionist + Phyrexian Altar

Mikaeus, the Unhallowed
Resourceful Defense
Dockside Extortionist
Phyrexian Altar

Requires
Mikaeus, the Unhallowed must be on the battlefield. Resourceful Defense must be on the battlefield. Dockside Extortionist must be on the battlefield. Phyrexian Altar must be on the battlefield. Opponents control at least four artifacts and/or enchantments. Dockside Extortionist does not have a +1/+1 counter on it.
Steps
  1. Activate Phyrexian Altar by sacrificing Dockside Extortionist, adding .
  2. When Dockside Extortionist dies, its undying ability triggers, returning it from your graveyard to the battlefield with a +1/+1 counter on it.
  3. When Dockside Extortionist enters the battlefield, it triggers, creating at least four Treasure artifact tokens.
  4. Activate four Treasures by tapping and sacrificing them, adding 4.
  5. Activate Resourceful Defense by paying 4, moving all +1/+1 counters from Dockside Extortionist onto another permanent you control.
  6. Repeat.
  7. If opponents control five or more artifacts and/or enchantments, this combo nets infinite Treasure tokens and colored mana.
Results
Infinite +1/+1 counters. Infinite colored mana. Infinite death triggers. Infinite ETB. Infinite LTB. Infinite sacrifice triggers. Infinite Treasure tokens.

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