The novelty of Anticausal Vestige being an Eldrazi bumps up its value, even if its effect isn't the greatest
When location cards are banished, what happens to characters at them

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Its not worth protecting any random creature, but the stronger the creatures you have, the more likely you are to want a card like Magic Damper
Galaxy brain is putting this in a mono-red deck
Alright, with the gushing out of the way, what are we doing here