Fountain of Cho allows you to hardcast
Chancellor of the Annex. Other storagelands can similarly be used to cast other expensive cards.
Chancellor of the Annex and
Providence can be pitched to
Solitude.
Chancellor of the Dross can be pitched to
Force of Despair,
Sickening Shoal,
Grief, and
Unmask.
Chancellor of the Forge can be pitched to
Pyrokinesis or
Fury.
If the player with
Chancellor of the Forge is on the draw, then the opponent can't kill the token with pitch-cast
Force of Despair since it's their turn.
Force of Will costs 1 life which will sometimes lose you the game.
Solitude giving the opponent life is sometimes similarly problematic.
If one player has
Chancellor of the Dross while the other player has
Providence, then the amount of life the
Providence player has depends on who's playing first. If the
Providence plays first, then they end up with 26 life. If they play second, they end up with 23 life.
Mishra's Workshop can be used to cast artifacts, but not activate them. It also can't be used to pay for
Chancellor of the Annex.
Gitaxian Probe can be used to win immediately with card:Lab Maniac. It can also be used to break a
Chancellor of the Annex bubble as the first spell.
The
Chancellor of the Forge token has haste, so it can attack on the first turn. This one damage sometimes matters.
Cavern of Souls stops both
Force of Will and
Chancellor of the Annex.
Force of Despair doesn't care about shroud or hexproof.
Black Lotus is a spell, which matters for
Chancellor of the Annex Blackmail can discard lands.