There are lots of cards that can make Universal Automaton cost
Red often requires you to discard as part of the bargain, sometimes giving you card "selection" but not actually card "advantage." Black is the most likely to cost you life and White is just the worst, often having to rely on shutting down an opponent's extra draw in order to get your precious extra cards
Star City Games The final stretch of entries here includes the big-name Magic retailers that youre probably aware of if youve been playing Magic for any length of time
Unmarked Grave A powered-down Entomb, Unmarked Grave is going to do much of the same things Entomb does, for a nonlegendary creature, slightly more expensively, and, more critically, as a sorcery
Durability and Magnetic Closure Protection Cards are valuable, so durability matters
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