Enduring Ideal lets you play a toolbox enchantment deck that lets you fetch out whatever enchantment you need depending on what you're playing against
His unique selling point is instant, table-warping pressure from one spell , which makes him a clean finisher in slower Zombie builds
Its high HP mixed with strong defensive cards can make knocking it out a near impossible task, leaving opponents with very few options to take it out before running out of cards themselves
As these cards do not have any additional effect in the game their being Gold Crown cards is only an aesthetic change
The backup plan, if something happens to Emrakul, is to ultimate Ral Zarek and possibly take some more turns, followed by ultimating Jace, Cunning Castaway
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