Norn's Annex
60PlayableArtifact
Commander Masters
2HG Rating
60/100
Gains value in 2HG: combat fog / damage prevention.
- +10Combat fog / damage prevention
You're defending against two attacking players out of one shared life pool. Fog effects buy a full team turn.
Ratings start at a neutral 50 and are adjusted by rules derived from 2HG's structure — shared 60 life, shared turns, two opponents. They'll be recalibrated against real play rates once teams start submitting decklists.
Oracle text
( can be paid with either 
or 2 life.)
Creatures can't attack you or planeswalkers you control unless their controller pays for each of those creatures.
Legality
Plays well beside it
Shares the "combat fog / damage prevention" axis — good candidates for your teammate's deck.
Suggestions are characteristic-based for now. Once teams submit pairings, this becomes a real co-occurrence score: played in X% of teams whose partner deck runs Norn's Annex.