Control decks want to play very few actual win conditions in their deckand having them be indestructible means you have to worry far less about them dying to a stray Abrade and making your ability to turn the corner and push toward winning that much harder
Archmage Emeritus triggers a draw for every instant or sorcery you cast or copy, which is essential for sustaining the high-mana requirements of the Opus mechanic
I want the deck to lean more towards black cards anyway, and Radiant Destiny is one of the decks weaker anthem effects thats also a white non-vampire card
second landfall flips it to repeat
More value, more fun, but usually tougher to get hold of
Altereds factions, which include lawmakers, artists, and engineers, among others, have rebuilt human society around the peninsula of Asgartha