In the recent discussion post regarding the MTGA economy, Wotc gave a clear and authoritative position against dusting being introduced into the game: We never wanted players to feel pressured to dismantle their collection to build the deck they want, only later to be disappointed when they realize they need to reacquire cards they destroyed
There is a soft deck building requirement here, where The Temporal Anchor gets better the fewer reactive instants you play, but there should be enough lands, artifacts and creatures in this deck to take full advantage
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To that end, Jodah needs to build a comprehensive manabase right away to start casting spells for WUBRG, and a variety of cards from Magic history are ready to help him