Initial Card State
- All permanents on the battlefield.
Notable Prerequisites
- Master Transmuter and Xenic Poltergeist do not have summoning sickness.
Mana Needed
- ({1} magic symbol)
the first turn, with ({6} magic symbol)
available each extra turn available.
Steps
- Activate Xenic Poltergeist by tapping it, causing Ugin's Nexus to become an artifact creature until end of turn.
- At the beginning of your end step, Athreos' second ability triggers, putting a coin counter on Ugin's Nexus.
- Activate Phyrexian Altar by sacrificing Ugin's Nexus, adding ({U} magic symbol)
. - Ugin's Nexus is exiled instead of being put into your graveyard, causing you to take an extra turn after this one.
- Athreos' third ability triggers, causing you to return Ugin's Nexus from exile to the battlefield.
- Activate Master Transmuter by paying ({U} magic symbol)
, tapping it and returning Ugin's Nexus to your hand, choosing to not put an artifact onto the battlefield. - Move to your extra turn.
- Cast Ugin's Nexus by paying ({5} magic symbol)
. - Repeat.
Bracket Tag
This combo has been estimated to be Ruthless (Bracket 4+).