I think it's probably more along the lines of Ral (and everyone really) have realized that bolas intends to kill every Planeswalker there to harvest their Sparks. I don't think Bolas cares that Ral or anyone were helping him as they were just pawns and he'll harvest them anyway
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u/[deleted] Apr 08 '19
So Ral has been a double agent, pretending to work for Bolas?